Entomology Quiz Practice

250 Questions

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Entomology Quiz Practice


Questions and Answers
  • 1. 
    Insects that pass through the egg, larva, pupa, and adult stages in their life cycle have_________________.
    • A. 

      Incomplete metamorphosis

    • B. 

      No metamorphosis

    • C. 

      Complete metamorphosis

    • D. 

      Gradual metamorphosis

  • 2. 
    A parsley worm is in the order ______________________ and the adult turns into a_____________________.
    • A. 

      Lepidoptera, cabbage looper

    • B. 

      Coleoptera, weevil

    • C. 

      Lepidoptera, swallowtail

    • D. 

      Diptera, mosquito

  • 3. 
    Axillary sclerites form points of attachment for muscles that control the:
    • A. 

      Wings

    • B. 

      Legs

    • C. 

      Mouthparts

    • D. 

      Antennae

  • 4. 
    A ____________ is the stage of development of an insect between the immature form and the adult inholometabolous insects (those insects that go through complete metamorphosis).
    • A. 

      Pupa

    • B. 

      Third instar

    • C. 

      Subimago

    • D. 

      Larva

    • E. 

      Imago

  • 5. 
    Which structures would be found in an eruciform larva, but not in a scarabaeiform larva?
    • A. 

      Prolegs

    • B. 

      Manidibles

    • C. 

      Spiracles

    • D. 

      Ocelli

  • 6. 
    Which structure is NOT part of the head capsule of insects?
    • A. 

      Antennae

    • B. 

      Tentorium

    • C. 

      Vertex

    • D. 

      Pronotum

  • 7. 
    A legless, eyeless, vermiform larva that is approximately 5 mm in length would probably belong to what insect order?
    • A. 

      Ephemeroptera

    • B. 

      Orthoptera

    • C. 

      Odonata

    • D. 

      Siphonaptera

    • E. 

      Blattodea

  • 8. 
    In cicadas and other sucking insects, movement of liquid to the mouth results from the action of a _____.
    • A. 

      Corneal pump

    • B. 

      Corneagen cell

    • C. 

      Cibarial pump

    • D. 

      Cuticle

  • 9. 
    In centipedes, the "fangs" are what type of structure?
    • A. 

      Mandibles

    • B. 

      Modified legs

    • C. 

      Maxilla

    • D. 

      Modified mouthparts

  • 10. 
    A _______________ is the immature, aquatic stage of a dobsonfly.
    • A. 

      Hellbender

    • B. 

      Ant lion

    • C. 

      Hellgrammite

    • D. 

      Grub

  • 11. 
    If an insect's subesophageal ganglion were paralyzed, it would be unable to _________.
    • A. 

      Eat

    • B. 

      Fly

    • C. 

      Walk

    • D. 

      See

  • 12. 
    Which of these following components are not part of integrated pest management (IPM)?
    • A. 

      Biological control

    • B. 

      Application of pesticides based only on calendar dates

    • C. 

      Information on the pest's life cycle and habitat

    • D. 

      Economic thresholds

  • 13. 
    Blister beetles have what substance in their bodies that can be toxic to livestock?
    • A. 

      Serotonin

    • B. 

      Chitlin

    • C. 

      Cantharadin

    • D. 

      Resilin

  • 14. 
    The fireflies belong to which insect order?
    • A. 

      Coleoptera

    • B. 

      Diptera

    • C. 

      Neuroptera

    • D. 

      Megaloptera

  • 15. 
    Which part of the exoskeleton lies between the exocuticle and the wax layer?
    • A. 

      Procuticle

    • B. 

      Cement layer

    • C. 

      Cuticulin layer

    • D. 

      Endocuticle

  • 16. 
    The dorsal sclerite of each abdominal segment is called a _______________.
    • A. 

      Sternite

    • B. 

      Tergite

    • C. 

      Coxite

    • D. 

      Pleurite

  • 17. 
    The eastern population of monarch butterflies overwinter in ______________.
    • A. 

      Florida

    • B. 

      Central mexico

    • C. 

      Baja california

    • D. 

      Texas

  • 18. 
    ________ is the appropriate concentration of ethanol to preserve most insects.
    • A. 

      60%

    • B. 

      70%

    • C. 

      100%

    • D. 

      50%

  • 19. 
    The majority of native bees nest in what type of habitat?
    • A. 

      Flowering plants

    • B. 

      Bamboo stems

    • C. 

      Trees

    • D. 

      Soil

  • 20. 
    The order Phthiraptera contains _________________.
    • A. 

      Roaches and mantids

    • B. 

      Chewing and sucking lice

    • C. 

      Bristletails and silverfish

    • D. 

      Dragonflies and damselflies

  • 21. 
    Which structures of insects are part of the ovipositor?
    • A. 

      Paraprocts

    • B. 

      Cerci

    • C. 

      Aedeagus

    • D. 

      Valvulae

  • 22. 
    Which part of an insect's antenna articulates with its head capsule?
    • A. 

      Arista

    • B. 

      Pedicel

    • C. 

      Flagellum

    • D. 

      Scape

  • 23. 
    The eyes of caterpillars are called _______________.
    • A. 

      Tegmina

    • B. 

      Ocelli

    • C. 

      Hamuli

    • D. 

      Stemmata

  • 24. 
    The plague, or "black death," is a disease of rodents and is transmitted by the ________.
    • A. 

      Human body louse

    • B. 

      Oriental rat fleas

    • C. 

      Western tarnished plant bug

    • D. 

      Asian lady beetle

  • 25. 
    What order of insects is generally considered most important from a medical and veterinary standpoint?
    • A. 

      Pthiraptera

    • B. 

      Zoraptera

    • C. 

      Hymenoptera

    • D. 

      Diptera

  • 26. 
    Monarch butterflies depend on which plant for their survival?
    • A. 

      Red clover

    • B. 

      Daisies

    • C. 

      Trumpet vine

    • D. 

      Milkweed

  • 27. 
    _________ are thought to be one of the first arthropods.
    • A. 

      Trilobites

    • B. 

      Trichoptera

    • C. 

      Flies

    • D. 

      Thysanura

  • 28. 
    Which abdominal structures of insects are primarily sensory in function?
    • A. 

      Sternites

    • B. 

      Valvulae

    • C. 

      Paraprocts

    • D. 

      Cerci

  • 29. 
    Which of the following orders of insects is most closely related to Diptera?
    • A. 

      Siphonaptera

    • B. 

      Hymenoptera

    • C. 

      Thysanura

    • D. 

      Mantodea

  • 30. 
    Honey bees are valuable agricultural pollinators worth an estimated ____ annually in the United States.
    • A. 

      $7.5 billion

    • B. 

      $25 million

    • C. 

      $15 billion

    • D. 

      $98.8 million

  • 31. 
    A/an ______________ is used by female insects to lay eggs.
    • A. 

      Spermatheca

    • B. 

      Ovum

    • C. 

      Cerci

    • D. 

      Ovipositor

  • 32. 
    In what order of insects are the front and hind wings held together by hamuli?
    • A. 

      Lepidoptera

    • B. 

      Hemiptera

    • C. 

      Diptera

    • D. 

      Hymenoptera

  • 33. 
    Insects have evolved over a period of approximately __________ years.
    • A. 

      400 million

    • B. 

      100 million

    • C. 

      2 million

    • D. 

      50 million

  • 34. 
    ______________ belong to the order Hymenoptera.
    • A. 

      Grasshoppers and crickets

    • B. 

      Beetles and weevils

    • C. 

      Wasps and ants

    • D. 

      Flies and mosquitos

  • 35. 
    Ground beetles and cockroaches have _______________ legs used for running.
    • A. 

      Fossorial

    • B. 

      Saltatorial

    • C. 

      Cursorial

    • D. 

      Raptorial

  • 36. 
    Which of the following arthropods is not an insect
    • A. 

      Scorpion

    • B. 

      Fly

    • C. 

      Cockroach

    • D. 

      Dragonfly

  • 37. 
    _____________________ can be used as biological control agents to help control pests.
    • A. 

      Lacewings

    • B. 

      Parasitic wasps

    • C. 

      All of these

    • D. 

      Ladybird beetles

  • 38. 
    The absolute minimum information that must be associated with insect specimens after collection include __________________.
    • A. 

      Location and trap type

    • B. 

      Location and date

    • C. 

      Trap type and collector

    • D. 

      Date and collector

  • 39. 
    A ____________is a trap used to separate insects from soil or leaf litter.
    • A. 

      Berlese funnel

    • B. 

      Sweep net

    • C. 

      Ultraviolet light trap

    • D. 

      Pitfall trap

  • 40. 
    A caterpillar of the cabbage butterfly is a common pest of _______________.
    • A. 

      Flowers

    • B. 

      Turfgrass

    • C. 

      Vegetables

    • D. 

      Shrubs

  • 41. 
    What material do solitary female bees provision for their offspring in cell chambers?
    • A. 

      Pollen

    • B. 

      Honey

    • C. 

      Fruit

    • D. 

      Rotting meat

  • 42. 
    Dichotomous keys are primarily based on differences and similarities in insect ____________.
    • A. 

      Pest status

    • B. 

      Morphology

    • C. 

      Behavior

    • D. 

      Physiology

  • 43. 
    The butterfly pupa is known as a ____________.
    • A. 

      Caterpillar

    • B. 

      Chrysalis

    • C. 

      Cocoon

    • D. 

      Naiad

  • 44. 
    _______________ is the largest professional society dedicated to the study of insects.
    • A. 

      Chinese academy of sciences

    • B. 

      European entomological society

    • C. 

      American society for the study of insects

    • D. 

      Entomological society of america

  • 45. 
    Most digestion in insects occurs in the:
    • A. 

      Hindgut

    • B. 

      Foregut

    • C. 

      Crop

    • D. 

      Midgut

  • 46. 
    Cochineal is a natural product produced from:
    • A. 

      Grasshoppers

    • B. 

      Scales

    • C. 

      Beetles

    • D. 

      Mites

  • 47. 
    If an insect is described as having haustellate mouthparts, it means that the insect consumes _____________.
    • A. 

      Solid food

    • B. 

      Blood only

    • C. 

      Grasses only

    • D. 

      Liquid food

  • 48. 
    What is a hematophagous insect?
    • A. 

      One that feeds on saliva

    • B. 

      One that feeds on bone

    • C. 

      One that feeds on blood

    • D. 

      One that feed on hair

  • 49. 
    Katydids belong to which insect order?
    • A. 

      Orthoptera

    • B. 

      Hemiptera

    • C. 

      Embioptera

    • D. 

      Zoraptera

  • 50. 
    A caterpillar does not have _________.
    • A. 

      Mandibles

    • B. 

      Compound eyes

    • C. 

      Prolegs

    • D. 

      Claws

  • 51. 
    Which of the following common name and order combination is correct?
    • A. 

      Mecoptera - lacewing

    • B. 

      Psocoptera - leafhopper

    • C. 

      Blattodea - cockroaches

    • D. 

      Hemiptera - wasps

  • 52. 
    An insect's head is specialized for _____________________.
    • A. 

      Reproduction and digestion

    • B. 

      Orientation and locomotion

    • C. 

      Ingestion and perception

    • D. 

      Adaption and respiration

  • 53. 
    The father of modern taxonomy who created the binomial system of nomenclature was ________.
    • A. 

      Carl linnaeus

    • B. 

      Charles darwin

    • C. 

      Thomas say

    • D. 

      May berenbaum

  • 54. 
    A beating tray or beat sheet is best used to collect which type of insects?
    • A. 

      None of the above

    • B. 

      Insects that frequent plants and are reluctant to fly or run

    • C. 

      Insects that are nocturnal and attracted to light

    • D. 

      Insects that scurry across the ground rather than fly

  • 55. 
    Immature scale insects are called _____.
    • A. 

      Sliders

    • B. 

      Walkers

    • C. 

      Crawlers

    • D. 

      Gliders

  • 56. 
    Numerous families in the order ___________ can transmit plant diseases with their piercing-sucking mouthparts.
    • A. 

      Strepsiptera

    • B. 

      Plecoptera

    • C. 

      Hemiptera

    • D. 

      Psocodea

  • 57. 
    Which structure never occurs on an abdominal segment?
    • A. 

      Spine

    • B. 

      Apodeme

    • C. 

      Spiracle

    • D. 

      Pleural suture

  • 58. 
    Which of the following arthropods are not insects?
    • A. 

      All of these are not insects

    • B. 

      Daddy long leg

    • C. 

      Isopod

    • D. 

      Tardigrade

  • 59. 
    What is the visible characteristic that can be used to separate male and female mosquito adults?
    • A. 

      Females have smaller compound eyes

    • B. 

      Elongated mouthparts in males, shorter in females

    • C. 

      Hairy legs in male, females without hairy legs

    • D. 

      Males generally with plumose antennae, females with only a few short hairs

  • 60. 
    How many abdominal segments are found in a typical insect?
    • A. 

      More than 15

    • B. 

      Less than 5

    • C. 

      12 or 13

    • D. 

      6 to 11

  • 61. 
    Which of this information is not common on insect specimen labels?
    • A. 

      Soil type

    • B. 

      State

    • C. 

      Collector's name

    • D. 

      County

  • 62. 
    An insect heart is best described as a ______________.
    • A. 

      Four-chambered

    • B. 

      Closed circulation

    • C. 

      Dorsal vessel

    • D. 

      Lymphatic system

  • 63. 
    Which insect structure develops from embryonic ectoderm?
    • A. 

      Brain

    • B. 

      Muscle

    • C. 

      Heart

    • D. 

      Midgut

  • 64. 
    The butterfly that mimics the monarch in coloration because of the distastefulness of monarchs to predators is the ____________.
    • A. 

      Tiger

    • B. 

      Viceroy

    • C. 

      Swallowtail

    • D. 

      Cabbage looper

  • 65. 
    Some insect eggs hatch inside the mother􀂶s body before exiting. An insect with this type of reproduction is called _________.
    • A. 

      Oviparous

    • B. 

      Ametabolous

    • C. 

      Viviparous

    • D. 

      None of the above

  • 66. 
    The prime cause of insect extinctions, at least of local populations if not species, is ___.
    • A. 

      Calimate change

    • B. 

      Habitat loss

    • C. 

      Predation from other insects

    • D. 

      Humans capturing insects for research

  • 67. 
    Which structure lies between the crop and the gastric caecae in the insect digestive system?
    • A. 

      Pyloric valve

    • B. 

      Colon

    • C. 

      Proventriculus

    • D. 

      Esophagus

  • 68. 
    In what two states would one be most likely to contract rabbit fever, a disease that can be carried by ticks?
    • A. 

      Arkansas and missouri

    • B. 

      Ohio and illinois

    • C. 

      California and nevada

    • D. 

      Texas and oklahoma

  • 69. 
    Junctions between abdominal segments are best described as ________________.
    • A. 

      Telescoping

    • B. 

      Hinged

    • C. 

      Dovetailed

    • D. 

      Ball and socket

  • 70. 
    A measure of insect dispersion gives an indication of _______________.
    • A. 

      The ability of insects to detoxify pesticides

    • B. 

      The random, clumped, or uniform distribution of individuals across a given area

    • C. 

      The short or long distances of insect migration

    • D. 

      The length of the segmented bodies of insects

  • 71. 
    Which insect orders are exclusively herbivorous?
    • A. 

      Lepidoptera and Hemiptera

    • B. 

      Psocoptera and Trichoptera

    • C. 

      Thysanoptera and Neuroptera

    • D. 

      Orthoptera and Phasmatodea

  • 72. 
    Imaginal discs are best described as:
    • A. 

      Control centers for embryonic development.

    • B. 

      Underdeveloped legs and wings.

    • C. 

      Groups of undifferentiated cells.

    • D. 

      Vestigal reproductive organs.

  • 73. 
    ______ determines whether bee larvae become a queen or worker.
    • A. 

      Food

    • B. 

      Type of wings

    • C. 

      Morphology

    • D. 

      Gender

  • 74. 
    What structure protects the midgut from abrasion by food particles and acts as a sieve?
    • A. 

      Pyloric valve

    • B. 

      Peritrophic membrane

    • C. 

      intima

    • D. 

      Proventriculus

  • 75. 
    Which of the following describes the jumping legs of grasshoppers.
    • A. 

      Saltatorial

    • B. 

      Cursorial

    • C. 

      Raptorial

    • D. 

      Natatorial

  • 76. 
    The hypopharynx separates the mouth opening or food canal from the _____________.
    • A. 

      Mandibles

    • B. 

      Cibarium

    • C. 

      Salivarium

    • D. 

      Labrum

  • 77. 
    Which structure is not part of an insect's tracheal system?
    • A. 

      Spiracle

    • B. 

      Tracheole

    • C. 

      Taenidia

    • D. 

      Sinus

  • 78. 
    Approximately ______ species of insects are used as food in many parts of the world.
    • A. 

      200

    • B. 

      100

    • C. 

      500

    • D. 

      400

  • 79. 
    Widely used pesticides that have been in the spotlight recently for being toxic to honey bees include_____________________.
    • A. 

      Neonicotinoids

    • B. 

      Diamides

    • C. 

      Neem oil

    • D. 

      Spinosyns

  • 80. 
    In which of the following insects do only the females suck blood?
    • A. 

      Louse

    • B. 

      Bedbug

    • C. 

      Mosquito

    • D. 

      Flea

  • 81. 
    Approximately how many species of insects have been described to date?
    • A. 

      1 million

    • B. 

      5 million

    • C. 

      500 thousand

    • D. 

      12 million

  • 82. 
    About ____ percent of people that get stung by stinging insects suffer serious reactions.
    • A. 

      3

    • B. 

      1

    • C. 

      10

    • D. 

      4

  • 83. 
    Which of these events occurs first during insect egg development?
    • A. 

      Differentiation of germ layers

    • B. 

      Segregation of the germ cells

    • C. 

      Migration of the cleavage nuclei

    • D. 

      Enlargement of the germ band

  • 84. 
    The majority of honey bees in a colony are females and called ____________.
    • A. 

      Alates

    • B. 

      Workers

    • C. 

      Queens

    • D. 

      Drones

  • 85. 
    As juvenile hormone levels fall in the hemolymph, what reaction is triggered in insects?
    • A. 

      The corpora allata start to release more 23-hydroxy ecdysone

    • B. 

      Immatures remain immature

    • C. 

      Immature forms start to change towards adulthood.

    • D. 

      None of the above

  • 86. 
    The "scales" of butterflies are ________________.
    • A. 

      Frons

    • B. 

      Flattened satae

    • C. 

      Campaniform sensilla

    • D. 

      Halteres

  • 87. 
    Predaceous diving beetles belong to what insect order?
    • A. 

      Dermaptera

    • B. 

      Diptera

    • C. 

      Siphonaptera

    • D. 

      Coleoptera

  • 88. 
    The word "coleoptera" is derived from two Greek words, coleo coming from the word koleos, meaning ____, and ptera coming from the word pteron, meaning ____.
    • A. 

      Shield; appendage

    • B. 

      Hard; wing

    • C. 

      Shell; appendage

    • D. 

      Sheath; wing

  • 89. 
    __________ secrete a bubbly liquid-covering on plants to conceal themselves or their eggs.
    • A. 

      Spittle bugs

    • B. 

      Scale insects

    • C. 

      Wax moths

    • D. 

      Aphids

  • 90. 
    What is the function of an aeropyle of an insect's egg?
    • A. 

      Absorb moisture

    • B. 

      Gas exchange

    • C. 

      Excrete nitrogenous wastes

    • D. 

      Prevent water loss

  • 91. 
    The internal organ system of insects that is analogous to the liver in mammals (In insects, it serves to actively transport water and ions from the hemolymph) is the ______________.
    • A. 

      Malpighian tubules

    • B. 

      Prothoracic gland

    • C. 

      Tritocerebrum

    • D. 

      Peritrophic membrane

  • 92. 
    Approximately how many native bee species are known in North America?
    • A. 

      4000

    • B. 

      500

    • C. 

      800

    • D. 

      1000

  • 93. 
    __________ is the order of walkingsticks and leaf insects.
    • A. 

      Mantodea

    • B. 

      Mantophasmatodea

    • C. 

      Phasmatodea

    • D. 

      Orthoptera

  • 94. 
    Malaria was eradicated in the U.S. in the mid 20th century in part because of the widespread use of _________.
    • A. 

      Sevin

    • B. 

      DDT

    • C. 

      Deet

    • D. 

      Malathion

  • 95. 
    What does it mean when an insect is described as hemimetabolous?
    • A. 

      The insect has a larval stage.

    • B. 

      The insect has a pupal stage.

    • C. 

      The insect has a nymphal and pupal stage.

    • D. 

      The insect has a nymphal stage.

  • 96. 
    Honeybees use the _______________ dance to communicate the location of food sources from hive.
    • A. 

      Waggle

    • B. 

      Square

    • C. 

      Round

    • D. 

      Figure eight

  • 97. 
    Some insects are considered _____ because loss of their contributions to critical ecological functions could collapse a broader ecosystem.
    • A. 

      Keystone species

    • B. 

      Base species

    • C. 

      Fundamental species

    • D. 

      Cornerstone species

  • 98. 
    Dermestid beetles that feed on dry and pinned specimens are commonly repelled with ______________
    • A. 

      Ethyl acetate

    • B. 

      Plaster of Paris

    • C. 

      Acetone

    • D. 

      Naphthalene

  • 99. 
    The following is the genus of the "yellow fever mosquito" and "Asian tiger mosquito" that vectors dengue, chikungunya and zika viruses.
    • A. 

      Heterosternuta

    • B. 

      Culex

    • C. 

      Aedes

    • D. 

      Anopheles

  • 100. 
    The frons and the clypeus, located on the head, are separated by the _______________.
    • A. 

      Gena

    • B. 

      Labrum

    • C. 

      Subgenal suture

    • D. 

      Epistomal suture

  • 101. 
    An insect's cuticle is primarily made of ____________, which has also been studied for its medicinal properties.
    • A. 

      Chitin

    • B. 

      Melatonin

    • C. 

      Hemolymph

    • D. 

      Melanin

  • 102. 
    Which part of the leg lies between the femur and the tarsus?
    • A. 

      Trochanter

    • B. 

      Tibia

    • C. 

      Coxa

    • D. 

      Arolium

  • 103. 
    The "powder" left over from being in contact with moths or butterflies is actually tiny __________.
    • A. 

      Wax crystals

    • B. 

      Scales

    • C. 

      Filaments

    • D. 

      Trichomes

  • 104. 
    What was a major arthropod borne disease that resulted in great losses for Napoleon on his campaign to Russia?
    • A. 

      Epidemic typhus fever

    • B. 

      Plague

    • C. 

      Yellow fever

    • D. 

      Malaria

  • 105. 
    The feces of triatomid bugs harbor the causative agent for what disease in humans?
    • A. 

      Chagas disease

    • B. 

      Malaria

    • C. 

      Pierce's disease

    • D. 

      Dengue

  • 106. 
    The snakeflies belong to the order ________________________.
    • A. 

      Coleoptera

    • B. 

      Neuroptera

    • C. 

      Raphidioptera

    • D. 

      Megaloptera

    • E. 

      Odonata

  • 107. 
    Rigid, inflexible structures of the exoskeleton are called __________.
    • A. 

      Segments

    • B. 

      Apodemes

    • C. 

      Sclerites

    • D. 

      Sutures

  • 108. 
    The state insect of Texas is the __________________.
    • A. 

      Texas checkered spot butterfly

    • B. 

      Lady bird beetle

    • C. 

      Monarch butterfly

    • D. 

      Honey bee

  • 109. 
    A dun is a fly fishing term used to describe what type of insect?
    • A. 

      A caddisfly sub-adult

    • B. 

      A mayfly sub-adult

    • C. 

      A mayfly adult

    • D. 

      A stonefly nymph

  • 110. 
    In many insects, three light-sensitive 􀂳simple􀂴􀀃eyes, or ____, are situated of the anterior vertex between the compound eyes.
    • A. 

      Ocelli

    • B. 

      Oligopod

    • C. 

      Ostium

    • D. 

      Obtect

  • 111. 
    An apodeme could NOT be described as ______________.
    • A. 

      A brace to strengthen the exoskeleton.

    • B. 

      An internal ridge of the exoskeleton.

    • C. 

      A point of attachment for muscles.

    • D. 

      A flexible joint in the exoskeleton.

  • 112. 
    These insects typically hold their wings together above and over their abdomen when resting.
    • A. 

      Dragonflies

    • B. 

      Moths

    • C. 

      Butterflies

    • D. 

      Stoneflies

  • 113. 
    Which structure is not part of an insect's antenna?
    • A. 

      Scape

    • B. 

      Pedicel

    • C. 

      Flagellum

    • D. 

      Coxa

  • 114. 
    Mole crickets have _______________ legs used for digging.
    • A. 

      Fossorial

    • B. 

      Raptorial

    • C. 

      Cursorial

    • D. 

      Saltatorial

  • 115. 
    Where do the larva of horse flies occur?
    • A. 

      In turf

    • B. 

      In brush piles

    • C. 

      In flower beds

    • D. 

      In aquatic or marchy environments

  • 116. 
    What is the branch of science concerned with describing, naming, and classifying organisms?
    • A. 

      Speciation

    • B. 

      Taxonomy

    • C. 

      Phylogeny

    • D. 

      Zoology

  • 117. 
    ______are not considered a biological control agent for killing insect pests.
    • A. 

      Microbes

    • B. 

      Predators or parasites

    • C. 

      Pheromones

    • D. 

      Parasitoids

  • 118. 
    The furca is best described as:
    • A. 

      An internal brace for the legs

    • B. 

      A fulcrum for the wings

    • C. 

      A springing organ

    • D. 

      A hinge for the next

  • 119. 
    Water boatmen have ______________ legs used for swimming.
    • A. 

      Natatorial

    • B. 

      Raptorial

    • C. 

      Fossorial

    • D. 

      Cursorial

  • 120. 
    _________________ is where digestive enzymes are secreted and most food absorption occurs in the insect gut.
    • A. 

      Proctodeum

    • B. 

      Proventriculum

    • C. 

      Stomodeum

    • D. 

      Mesenteron

  • 121. 
    This best choice for a chemical to use in an insect kill jar is ________________.
    • A. 

      Naphthalene

    • B. 

      Ethyl acetate

    • C. 

      Paradichlorobenzene

    • D. 

      Potassium cyanide

  • 122. 
    Which of these is not a longitudinal wing vein?
    • A. 

      Costa

    • B. 

      Radius

    • C. 

      Cubitus

    • D. 

      Furca

  • 123. 
    Collophore and furcula are morphological terms associated with which order of insects?
    • A. 

      Odonata

    • B. 

      Collembola

    • C. 

      Lepidoptera

    • D. 

      Ephemeroptera

  • 124. 
    The insect with one of the longest known migrations and that was petitioned in 2016 to be listed for threatened or endangered status per the U.S. Endangered Species Act is the ________________.
    • A. 

      Western tarnished plant bug

    • B. 

      Green darner

    • C. 

      Flame skimmer

    • D. 

      Monarch butterfly

  • 125. 
    A suture of the exoskeleton is best described as a _________.
    • A. 

      Membranous bridge.

    • B. 

      Point of attachment between segments.

    • C. 

      Line or junction between two sclerites.

    • D. 

      Thick ridge of cuticle.

  • 126. 
    The Latin word "Insectum" means:
    • A. 

      Segments

    • B. 

      Cut into pieces

    • C. 

      Small pieces

    • D. 

      Insect

  • 127. 
    The insect mouthparts include all of these structures except:
    • A. 

      Clypeus

    • B. 

      Hypopharynx

    • C. 

      Labium

    • D. 

      Maxillae

  • 128. 
    What order of insect vectors Chagas disease?
    • A. 

      Lepidoptera

    • B. 

      Diptera

    • C. 

      Hemiptera

    • D. 

      Orthoptera

  • 129. 
    Functions of the insect hemolymph includes:
    • A. 

      Wasted removal to excretory organs

    • B. 

      Hormone transport

    • C. 

      Distribution of nutrients from the gut

    • D. 

      All of the above

  • 130. 
    ___________ is an ability of insects to survive toxicity after chronic exposure to pesticides.
    • A. 

      Resurgence

    • B. 

      Resistance

    • C. 

      Tolerance

    • D. 

      Repellency

  • 131. 
    Ant lions belong to the order ______________.
    • A. 

      Diptera

    • B. 

      Coleoptera

    • C. 

      Neuroptera

    • D. 

      Isoptera

  • 132. 
    Caddisflies belong to the order ____________________.
    • A. 

      Isoptera

    • B. 

      Lepidoptera

    • C. 

      Neuroptera

    • D. 

      Trichoptera

  • 133. 
    The _____________ civilization regarded dung beetles as sacred.
    • A. 

      Egyptian

    • B. 

      Syrian

    • C. 

      Aztec

    • D. 

      Roman

  • 134. 
    When and where were the first fire ants discovered in North America?
    • A. 

      Mobile, Alabama in the 1930s

    • B. 

      El Paso, TX in the 1920s

    • C. 

      Russellville, Arkansas in 1970s

    • D. 

      Pensacola, Florida in the 1960s

  • 135. 
    _______________ are the two orders of primitively wingless insects.
    • A. 

      Diplura and Collembola

    • B. 

      Protura and Microcoryphia

    • C. 

      Apterygota and Thysanura

    • D. 

      Archaeognatha and Thysanura

  • 136. 
    Which structures are not a component of the endocrine system in insects?
    • A. 

      Ventral ganglia

    • B. 

      Corpora cardiac

    • C. 

      Prothoracic glands

    • D. 

      Salivary glands

  • 137. 
    What is the reservoir of louse-born typhus?
    • A. 

      Humans

    • B. 

      Horses

    • C. 

      Cats

    • D. 

      Dogs

  • 138. 
    What is the name for the "shell" of an insect egg?
    • A. 

      Blastula

    • B. 

      Serosa

    • C. 

      Chorion

    • D. 

      Morula

  • 139. 
    Which insect order contains the crickets and grasshoppers?
    • A. 

      Lepidoptera

    • B. 

      Orthoptera

    • C. 

      Hymenoptera

    • D. 

      Blattodea

  • 140. 
    A hearing organ of an insect is the ______________.
    • A. 

      Labrum

    • B. 

      Tympanum

    • C. 

      Vertex

    • D. 

      Frons

  • 141. 
    Which structure would not be found on an insect's leg?
    • A. 

      Arolium

    • B. 

      Propodeum

    • C. 

      Tarsomere

    • D. 

      Coxa

  • 142. 
    Very few insects are found in this habitat.
    • A. 

      Trees

    • B. 

      Lakes

    • C. 

      Ocean

    • D. 

      Soil

  • 143. 
    A mass of neural tissue that contains mostly nerve cell bodies and interneurons in an insect is called a _________________.
    • A. 

      Ganglion

    • B. 

      Motor neuron

    • C. 

      Synapse

    • D. 

      Nerve

  • 144. 
    The boll weevil Anthonomus grandis was a sever cotton pest belonging to which family of beetles?
    • A. 

      Carabidae

    • B. 

      Curculionidae

    • C. 

      Meloidae

    • D. 

      Coccinelidae

  • 145. 
    Some factors contributing to the success of insects are:
    • A. 

      Size, a protective cuticle, an efficient nervous system, four pair of legs

    • B. 

      High reproductive rate, the evolution of flight, size

    • C. 

      High reproductive rate, the evolution of flight, ability to live without a brain

    • D. 

      Size, the evolution of flight, lack of wings

  • 146. 
    Which structure would not be found on an insect's prothorax?
    • A. 

      Pronotum

    • B. 

      Apiracle

    • C. 

      Leg

    • D. 

      Wing

  • 147. 
    An insect has a protective cuticle that allows it to ______________.
    • A. 

      Produce biological defense compounds (immune response)

    • B. 

      Use chemo-and mechano-receptors

    • C. 

      Self-repair (if damaged)

    • D. 

      All of the above

  • 148. 
    What are some reasons that could have influenced the large size of insects prehistorically?
    • A. 

      Lower oxygen levels in the atmosphere and fewer aerial predators

    • B. 

      Lower oxygen levels in the atmosphere and more aerial predators

    • C. 

      Higher oxygen levels in the atmosphere and more aerial predators

    • D. 

      Higher oxygen levels in the atmosphere and fewer aerial predators

  • 149. 
    How does the honey bee queen decide the sex of her offspring?
    • A. 

      By laying haploid eggs into large cells for drones, and diploid eggs into small cells for workers

    • B. 

      By laying haploid eggs into small cells for drones, and diploid eggs into large cells for workers

    • C. 

      By laying diploid eggs into small cells for drones, and haploid eggs into large cells for workers

    • D. 

      By laying diploid eggs into large cells for drones, and haploid eggs into small cells for workers

  • 150. 
    What is the causal agent of pink eye in cattle that can be vectored by flies?
    • A. 

      Corethrella bovis

    • B. 

      Sarcoptes scabiei

    • C. 

      Trypanosoma evansi

    • D. 

      Moraxella bovis

  • 151. 
    The body temperature of insects changes with ambient environmental temperatures. Therefore, most insects cannot efficiently change their internal body temperature above the temperature of the environment. The first sentence describes ______________ while the second sentence describes ________________.
    • A. 

      Ectothermy and endothermy

    • B. 

      Diapause and dormancy

    • C. 

      Endothermy and ectothermy

    • D. 

      Dormancy and diapause

  • 152. 
    What diseases do Culex pipiens pipiens and C. p. quinquefasciatus vector?malaria
    • A. 

      Malaria

    • B. 

      Yellow fever

    • C. 

      Dengue fever

    • D. 

      St. Louis encephalitis

  • 153. 
    What is the mouthpart called for feeding within the Lepidoptera?
    • A. 

      Pylorus

    • B. 

      Pronotum

    • C. 

      Proboscis

    • D. 

      Paranota

  • 154. 
    What is the primary function of the wax layer of the exoskeleton?
    • A. 

      Thermal insulation

    • B. 

      Muscle attachment

    • C. 

      Protection

    • D. 

      Water barrier

  • 155. 
    • A. 

      Hymenoptera

    • B. 

      Hemiptera

    • C. 

      Orthoptera

    • D. 

      Coleoptera

  • 156. 
    Insects use their olfactory system for ______________.
    • A. 

      Sucking

    • B. 

      Hearing

    • C. 

      Seeing

    • D. 

      Smelling

  • 157. 
    Which of the following insect groups has hemimetabolous development?
    • A. 

      Mayflies

    • B. 

      House flies

    • C. 

      Ants

    • D. 

      Weevils

  • 158. 
    The phrase 􀂳endemic􀂴􀀃insect refers to:
    • A. 

      Native to or limited to a certain region

    • B. 

      Invasive

    • C. 

      Occurrence in an unfavorable environment

    • D. 

      Occurrence in a desert habitat

  • 159. 
    Solitary bees build nests in what type of habitat?
    • A. 

      All of the above

    • B. 

      In existing small tree holes or cavities

    • C. 

      In the soil

    • D. 

      In hollow plant stems

  • 160. 
    The renowned myrmecologist ____________________ established the field of sociobiology.
    • A. 

      C.V. Riley

    • B. 

      John Bell

    • C. 

      Carl Linneaus

    • D. 

      E.O. Wilson

  • 161. 
    During the _________, German cockroaches are very active.
    • A. 

      Spring

    • B. 

      Summer

    • C. 

      Day

    • D. 

      Night

  • 162. 
    The bed bug, Cimex lectularious, is an effective vector of what pathogenic microorganism?
    • A. 

      Sporidia

    • B. 

      Wolbachia

    • C. 

      None

    • D. 

      Loa loa

  • 163. 
    What function do protein cross-linkages have in the insect exoskeleton?
    • A. 

      They make membranes more flexible.

    • B. 

      They make it impermeable to water.

    • C. 

      They make sclerites more rigid.

    • D. 

      They lighten the color of the exoskeleton.

  • 164. 
    The pleural suture lies just posterior to the __________________.
    • A. 

      Episternum

    • B. 

      Trochantin

    • C. 

      Epimeron

    • D. 

      Trochanter

  • 165. 
    What insects are included in the order Pthiraptera?
    • A. 

      Cockroaches

    • B. 

      Bed bugs

    • C. 

      Flies

    • D. 

      Lice

  • 166. 
    What was a major cotton pest that was successfully eradicated in the U.S.?
    • A. 

      Boll weevil

    • B. 

      Stink bug

    • C. 

      Lygus bug

    • D. 

      Sunflower head moth

  • 167. 
    The aquatic insect order whose immature stages sometimes create rock cases is ____.
    • A. 

      Ephemeroptera

    • B. 

      Diptera

    • C. 

      Odonata

    • D. 

      Trichoptera

  • 168. 
    _______ is a primary characteristic of the order Orthoptera and is the type of forewing of this group.
    • A. 

      Tegmina

    • B. 

      Elytra

    • C. 

      Hemelytra

    • D. 

      Hamuli

  • 169. 
    Which of the followings is the common name of the order Mecoptera?
    • A. 

      Dragonfly

    • B. 

      Firefly

    • C. 

      Caddisfly

    • D. 

      Scorpionfly

  • 170. 
    The reproductive organ in male insects for transferring sperm is the ______________
    • A. 

      Paraproct

    • B. 

      Scape

    • C. 

      Aedeagus

    • D. 

      Gonopore

  • 171. 
    Which structure would not be found on an insect's pretarsus?
    • A. 

      Trochanter

    • B. 

      Spines

    • C. 

      Sticky pads

    • D. 

      Claws

  • 172. 
    What order of insects usually have their wings covered in flattened setae or scales?
    • A. 

      Coleoptera

    • B. 

      Lepidoptera

    • C. 

      Diptera

    • D. 

      Hemiptera

  • 173. 
    The following are groups of eusocial insects:
    • A. 

      Termites

    • B. 

      Gall-forming aphids

    • C. 

      All of these are eusocial insects

    • D. 

      Ants

  • 174. 
    Insects from this order do not act as pollinators:
    • A. 

      Hymenoptera

    • B. 

      Diptera

    • C. 

      Coleoptera

    • D. 

      Phasmatodea

  • 175. 
    What is the principle energy source for most insects?
    • A. 

      Vitamins

    • B. 

      Carbohydrates

    • C. 

      Cellulose

    • D. 

      Proteins

  • 176. 
    What are the larva of mosquitoes commonly referred to as?
    • A. 

      Dancers

    • B. 

      Crawlers

    • C. 

      Tumblers

    • D. 

      Wigglers

  • 177. 
    The insect cuticle is between _____ and ______ microns thick.
    • A. 

      100, 300

    • B. 

      120, 1000

    • C. 

      50, 75

    • D. 

      300, 400

  • 178. 
    Which of these occupies the largest volume in an unfertilized insect egg?
    • A. 

      Periplasm

    • B. 

      Nucleus

    • C. 

      Embryo

    • D. 

      Yolk

  • 179. 
    In Diptera, hindwings are modified into small, club-like structure called________ that serves as gyroscopes, informing the insect about rotation of the body during flight.
    • A. 

      Pronotum

    • B. 

      Proboscis

    • C. 

      Halteres

    • D. 

      Hamuli

  • 180. 
    _____________ is a family in the order __________
    • A. 

      Tortricidae, Hemiptera

    • B. 

      Coleoptera, Chrysomelidae

    • C. 

      Chrysomelidae, Coleoptera

    • D. 

      Chrysomelidae, Collembola

  • 181. 
    Abdominal gills allow insects to utilize oxygen that is ____________________.
    • A. 

      Dissolved in the surrounding water

    • B. 

      Generated by metabolic activity

    • C. 

      Atmospheric

    • D. 

      Trapped in the tissues of aquatic plants

  • 182. 
    All of the following insects have holometabolous development, except ___________.
    • A. 

      Thysanoptera

    • B. 

      Coleoptera

    • C. 

      Neuroptera

    • D. 

      Mecoptera

  • 183. 
    Digging legs of mole crickets are what functional type?
    • A. 

      Raptorial

    • B. 

      Fossorial

    • C. 

      Cursorial

    • D. 

      Saltatorial

  • 184. 
    The insect abdomen contains:
    • A. 

      All of the above

    • B. 

      Organs for excretion

    • C. 

      The reproductive tract

    • D. 

      The digestion tract

  • 185. 
    What percentage of flowering plants on Earth require insect pollination?
    • A. 

      95

    • B. 

      75

    • C. 

      30

    • D. 

      50

  • 186. 
    Webspinners belong to which insect order?
    • A. 

      Embioptera

    • B. 

      Psocoptera

    • C. 

      Dermaptera

    • D. 

      Orthoptera

  • 187. 
    One-way flow valves in the heart are called ______________.
    • A. 

      Pulsatile organs

    • B. 

      Spiracles

    • C. 

      Apodemes

    • D. 

      Ostia

  • 188. 
    _________ represents the most speciose order of insects, with approximately __________ species
    • A. 

      Collembola, 450,000

    • B. 

      Zoraptera, 500,000

    • C. 

      Lepidoptera, 350,000

    • D. 

      Coleoptera, 400,000

  • 189. 
    Which abdominal structure of an insect is unpaired?
    • A. 

      Valvifer

    • B. 

      Paraproct

    • C. 

      Cerci

    • D. 

      Epiproct

  • 190. 
    _________ are the individual light-sensing and image forming units of the insect􀂶s compound eye.
    • A. 

      Ocelli

    • B. 

      Rhabdomeres

    • C. 

      Cornea

    • D. 

      Ommatidia

  • 191. 
    A sperm cell enters the insect egg through the _____________.
    • A. 

      Oosome

    • B. 

      Micropyle

    • C. 

      Germ band

    • D. 

      Morula

  • 192. 
    The followings are the parts of the insect thorax:
    • A. 

      Mesothorax, metathorax and semithorax

    • B. 

      Metathorax, mesothorax and prothorax

    • C. 

      Pirothorax, hexathorax and etathorax

    • D. 

      Prothorax, mesothorax and entothorax

  • 193. 
    In what order of insects are the front wings known as "elytra?"
    • A. 

      Orthoptera

    • B. 

      Hemiptera

    • C. 

      Hymenoptera

    • D. 

      Coleoptera

  • 194. 
    What are two distinguishing features of the subphylum Hexapoda that separates them from other classes of arthropods?
    • A. 

      Having a three-part body and six legs

    • B. 

      A three-segmented body and the ability to molt

    • C. 

      Having three pairs of legs and an exoskeleton

    • D. 

      The ability to undergo metamorphosis and having a three-part body

  • 195. 
    A tool used to collect insects using your mouth or a hand bulb and a small vial is called a/an_____________.
    • A. 

      Berlese funnel

    • B. 

      Sweep net

    • C. 

      Pitfall trap

    • D. 

      Aspirator

  • 196. 
    What do the orders Mantodea and Blattodea have in common?
    • A. 

      Eggs are produced inside a pouch or ootheca

    • B. 

      Hind wings are modified into halteres

    • C. 

      Blood suckers

    • D. 

      Sucking mouthparts

  • 197. 
    An insect with tracheal gills would probably be found in ____________________.
    • A. 

      A cold mountain stream

    • B. 

      A stagnant pond

    • C. 

      A sewage treatment lagoon

    • D. 

      An oceanic community

  • 198. 
    If you wanted to study entomology in college, what types of courses might you take at a university offering an undergraduate or graduate degree in entomology?
    • A. 

      Aquatic Entomology

    • B. 

      Urban Entomology

    • C. 

      Insect Ecology

    • D. 

      All of the above

  • 199. 
    What structure is found in Diptera, but NOT in Hymenoptera?
    • A. 

      Stigma

    • B. 

      Stinger

    • C. 

      Cerci

    • D. 

      Haltere

  • 200. 
    A ___________ is used to collect ground dwelling, crawling insects.
    • A. 

      Malaise trap

    • B. 

      Berlese funnel

    • C. 

      Ultraviolet light trap

    • D. 

      Pitfall trap

  • 201. 
    Chemicals released from plants to attract parasitic or predaceous insects that combat herbivorous insects are called ____________________.
    • A. 

      Tannins

    • B. 

      Kairomones

    • C. 

      Pheromones

    • D. 

      Steroids

  • 202. 
    _______ flour has been developed and marketed in recent years as a new form of supplemental proteinand a cooking agent.
    • A. 

      Ant Lion

    • B. 

      Ground Beetle

    • C. 

      Cockroach

    • D. 

      Cricket

  • 203. 
    Firebrats and silverfish are common household pests in the order __________.
    • A. 

      Mecoptera

    • B. 

      Odonata

    • C. 

      Thysanura

    • D. 

      Hemiptera

  • 204. 
    To which body segment are the elytra attached?
    • A. 

      First abdominal

    • B. 

      Metathorax

    • C. 

      Prothorax

    • D. 

      Mesothorax

  • 205. 
    The ____ is the ventral surface of the thorax of insects.
    • A. 

      Sternum

    • B. 

      Pleuron

    • C. 

      Front

    • D. 

      Notum

  • 206. 
    Squash bugs belong to what insect order?
    • A. 

      Hemiptera

    • B. 

      Diptera

    • C. 

      Lepidoptera

    • D. 

      Coleoptera

  • 207. 
    The Johnston's organ ___________________________.
    • A. 

      Is used to detect changes between antennal segments

    • B. 

      Senses physical environmental stimuli (vibrations, wind, gravity)

    • C. 

      Separates the Class Insecta from the Class Entognatha

    • D. 

      All of the above

  • 208. 
    • A. 

      Spreading board

    • B. 

      Pinning block

    • C. 

      Point

    • D. 

      Forceps

  • 209. 
    Insects have _________ pair of legs and _________primary body regions.
    • A. 

      6,2

    • B. 

      3,2

    • C. 

      4,2

    • D. 

      3,3

  • 210. 
    The old shed skin left behind after an insect molts is known as the _________.
    • A. 

      Ecdysis

    • B. 

      Sclerite

    • C. 

      Excuvium

    • D. 

      Stadium

  • 211. 
    After its second molt an insect is a _____________ instar.
    • A. 

      Third

    • B. 

      First

    • C. 

      Final

    • D. 

      Second

  • 212. 
    To which family do hard ticks belong?
    • A. 

      Simuliidae

    • B. 

      Argasidae

    • C. 

      Ixodidae

    • D. 

      Heptageniidae

  • 213. 
    Which larval type does not have walking legs?
    • A. 

      Eruciform

    • B. 

      Campodeiform

    • C. 

      Scarabaeiform

    • D. 

      Vermiform

  • 214. 
    The abdomen of insects is specialized for:
    • A. 

      Feeding and locomotion

    • B. 

      Locomotion and reproduction

    • C. 

      Reproduction and digestion

    • D. 

      Digestion and ingestion

  • 215. 
    • A. 

      Honey bees

    • B. 

      Hornets

    • C. 

      Sweat bees

    • D. 

      Leafcutter bees

  • 216. 
    Urticating hairs are associated with plants, tarantulas and what insect order?
    • A. 

      Blattodea

    • B. 

      Strepsiptera

    • C. 

      Mecoptera

    • D. 

      Lepidoptera

  • 217. 
    The developmental stage of an insect between molts is called a/an ______________.
    • A. 

      Instar

    • B. 

      Morph

    • C. 

      Cocoon

    • D. 

      Larva

  • 218. 
    The following sections are parts of an insect􀂶s leg:
    • A. 

      Coxa, trochanter, femur, tibia and tarsus

    • B. 

      Clypeus, corium, tegula and cornicle

    • C. 

      Coxa, femur, tibia and mentum

    • D. 

      Tegula, cornicle, frenulum, petiole

  • 219. 
    Oothecas, or egg cases, belonging to what insect order?
    • A. 

      Coleoptera

    • B. 

      Hemiptera

    • C. 

      Diptera

    • D. 

      Mantodea

  • 220. 
    You are hired as an extension entomologist for the state of Texas. Your first task in this job is to identify a pest in cotton. You go out to the cotton fields to collect specimens and find that this new pest is tiny (less than 1 mm long), has rasping-sucking mouthparts, and fringed wings. Based on this information this cotton pest is likely a:
    • A. 

      Thrips

    • B. 

      Scale

    • C. 

      Pirate bug

    • D. 

      Whitefly

  • 221. 
    The following are some of the major insect wing veins:
    • A. 

      Coxal ,radius, tibial

    • B. 

      Anal, tibial, subcostal

    • C. 

      Medial, coxal, femoral

    • D. 

      Costa, radius, cubitus

  • 222. 
    When an insect has a vestigial mouthpart, that insect _______.
    • A. 

      Can consume only solids

    • B. 

      Can consume only liquids

    • C. 

      Possesses both piercing-sucking and chewing mouthparts

    • D. 

      Cannot eat

  • 223. 
    During a molt, which layer of the old exoskeleton is digested by molting fluid, reabsorbed by the epidermal cells, and reconstituted as new procuticle?
    • A. 

      Epicuticle

    • B. 

      Cuticulin layer

    • C. 

      Exocuticle

    • D. 

      Endocuticle

  • 224. 
    Rachel Carson published a book titled _______________ that highlighted pesticide issues andenvironmental contamination as a result of the overuse of DDT in the mid 20th century.
    • A. 

      The Hungry Caterpillar

    • B. 

      A Bug's Life

    • C. 

      Sand County Almanac

    • D. 

      Silent Spring

  • 225. 
    __________ are regarded as the most important group of insect pollinators.
    • A. 

      Hymenoptera, Ichneumonidae

    • B. 

      Hymenoptera, Apoidea

    • C. 

      Diptera, Syrphidae

    • D. 

      Coleoptera, Cantharidae

  • 226. 
    What is the correct common name for Solenopsis invicta Buren?
    • A. 

      Painted lady butterfly

    • B. 

      German cockroach

    • C. 

      Japanese beetle

    • D. 

      Red imported fire ant

  • 227. 
    A geniculate insect antenna is ______________________.
    • A. 

      Hairy

    • B. 

      Elbowed

    • C. 

      Serrated

    • D. 

      Clubbed

  • 228. 
    The following are natural products derived from insects:
    • A. 

      Silk, carmine and polysaccharides

    • B. 

      Silk, natural red 4, royal jelly and honey

    • C. 

      Carmine, silk, honey and blue dyes

    • D. 

      Natural green 6 and honey

  • 229. 
    Which insects never develop wings?
    • A. 

      Earwigs

    • B. 

      Aphids

    • C. 

      Book louse

    • D. 

      Fleas

  • 230. 
    In integrated pest management, this is the point at which action must be taken to avoid economic damage from insect injury.
    • A. 

      Economic injury level

    • B. 

      Economic threshold

    • C. 

      Pest threshold

    • D. 

      Plant health level

  • 231. 
    Puddling is a behavior in the ______________ where adults aggregate and drink from mud puddles or moist soil.
    • A. 

      Lepidoptera

    • B. 

      Trichoptera

    • C. 

      Thysanoptera

    • D. 

      Phasmatodea

  • 232. 
    What structures regulate air flow into and out of the tracheal system in insects?
    • A. 

      Taenidia

    • B. 

      Tracheoles

    • C. 

      Ostia

    • D. 

      Spiracles

  • 233. 
    The whirligig beetle has how many pairs of eyes?
    • A. 

      Two

    • B. 

      One

    • C. 

      Three

    • D. 

      Four

  • 234. 
    Which insect order does not have aquatic stages of development?
    • A. 

      Thysanoptera

    • B. 

      Hemiptera

    • C. 

      Neuroptera

    • D. 

      Coleoptera

  • 235. 
    The discoverer of mosquito transmission of malaria was ___________.
    • A. 

      Carl Linnaeus

    • B. 

      Carlos Finlay

    • C. 

      E.O. Wilson

    • D. 

      Sir Ronald Ross

  • 236. 
    Which structures are innervated by the protocerebrum of an insect􀂶s brain?
    • A. 

      Compound eyes and ocelli

    • B. 

      Bursa copulatrix

    • C. 

      Antennae

    • D. 

      Mouthparts

  • 237. 
    Why do insects molt?
    • A. 

      To grow

    • B. 

      To change from one instar to another

    • C. 

      All of the above

    • D. 

      To complete a step in metamorphosis

  • 238. 
    What are some characteristics of social insects?
    • A. 

      Reproductive division of labor

    • B. 

      All of these are characterics of social insects

    • C. 

      Usually associated with a confined space like a nest

    • D. 

      Cooperative care of the young

  • 239. 
    The tracheal system of an insect is best described as ________________________.
    • A. 

      A method of anaerobic respiration

    • B. 

      A chain of interconnecting cells

    • C. 

      A radial pattern of filaments

    • D. 

      A network of hollow tubes

  • 240. 
    _____ is found as both a supporting element in fungal cell walls and a key component of arthropod exoskeletons.
    • A. 

      Epicuticle

    • B. 

      Chitin

    • C. 

      Collophore

    • D. 

      Epidermis

  • 241. 
    If an insect is described as zoophilic, that insect prefers ____ to ____.
    • A. 

      Humans; animals

    • B. 

      Plants; animals

    • C. 

      Animals; humans

    • D. 

      Animals; plants

  • 242. 
    Which part of the exoskeleton is formed by a single layer of epithelial cells?
    • A. 

      Cuticulin layer

    • B. 

      Procuticle

    • C. 

      Epidermis

    • D. 

      Basement membrane

  • 243. 
    Giant water bugs belong to the order Hemiptera and are in the family _______________.
    • A. 

      Belostomatidae

    • B. 

      Muscidae

    • C. 

      Dytiscidae

    • D. 

      Danaidae

  • 244. 
    Dutch elm disease is caused by a ___________ that is carried by ____________.
    • A. 

      Virus, aphids

    • B. 

      Fungus, beetles

    • C. 

      Virus, thrips

    • D. 

      Mycoplasma, leafhoppers

  • 245. 
    The blood of insects is called _______________.
    • A. 

      Hemoglobin

    • B. 

      Hemolymph

    • C. 

      Sebum

    • D. 

      Hemocyanin

  • 246. 
    Dolbears law refers to what insect and environmental relationship?
    • A. 

      Predicting air temperature with cricket chirps

    • B. 

      Predicting rainfall with caterpillar growth

    • C. 

      Predicting snowfall with housefly abundance

    • D. 

      Predicting wind speed with dragonfly flight

  • 247. 
    The "vampire" mite that has been a serious pest of managed honey bees is the _______________.
    • A. 

      Scabies mite

    • B. 

      Varroa mite

    • C. 

      Wax mite

    • D. 

      Honey mite

  • 248. 
    _________ do not belong to the order Hemiptera
    • A. 

      Bristletails

    • B. 

      Aphids

    • C. 

      Cicadas

    • D. 

      Leafhoppers

  • 249. 
    What is the primary chemical component of the insect's egg shell?
    • A. 

      Calcium

    • B. 

      Lipid

    • C. 

      Protein

    • D. 

      Polysaccharide

  • 250. 
    The ____ are structures of the insect head that are responsible for grinding solid food.
    • A. 

      Mandibles

    • B. 

      Labrum

    • C. 

      Calyx

    • D. 

      Maxilla