Entomology Flashcards by Jasmine Grace Borden

To which body segment are the elytra attached?

A. prothorax
B. first abdominal
C. metathorax
D. mesothorax

D. mesothorax

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The old shed skin left behind after an insect molts is known as the:

A. ecdysis
B. excuvium
C. stadium
D. sclerite

B. excuvium

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The eastern population of monarch butterflies overwinter in:

A. Baja California
B. Central Mexico
C. Florida
D. Texas

B. Central Mexico

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The abdomen of insects is specialized for:

A. feeding and locomotion
B. reproduction and digestion
C. digestion and ingestion
D. locomotion and reproduction

B. reproduction and digestion

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What is the primary function of the wax layer of the exoskeleton?

A. water barrier
B. protection
C. thermal insulation
D. muscle attachment

A. water barrier

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__________ represents the most speciose order of insects, with approximately _______ species.

A. Lepidoptera; 350,000
B. Zoraptera; 500,000
C. Collembola; 450,000
D. Coleoptera; 400,000

D. Coleoptera; 400,000

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Firebrats and silverfish are common household pests in the order:

A. Thysanura
B. Mecoptera
C. Odonoata
D. Hemiptera

A. Thysanura

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A tool used to collect insects using your mouth or a hand bulb and a small vial is called a/an:

A. sweep net
B. aspirator
C. berlese funnel
D. pitfall trap

B. aspirator

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A geniculate insect antenna is:

A. clubbed
B. serrated
C. elbowed
D. hairy

C. elbowed

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_____________ is a family in the order __________

A. Chrysomelidae, Collembola
B. Tortricidae, Hemiptera
C. Coleoptera, Chrysomelidae
D. Chrysomelidae, Coleoptera

D. Chrysomelidae, Coleoptera

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What is the visible characteristic that can be used to separate male and mosquito adults?

A. females have smaller compound eyess
B. hairy legs in male, females without hairy legs
C. elongated mouthparts in ales, shorter in females
D. males generally with plumose antennae, females with only a few short hairs

D. males generally with plumose antennae, females with only a few short hairs

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Which structure would not be found on an insect’s pretarsus?

A. trochanter
B. sticky pads
C. claws
D. spines

A. trochanter

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The Johnston’s organ:

A. All of the above
B. Separates the Class Insecta from the Class Entognatha
C. Senses physical environmental stimuli (vibrations, wind, gravity)
D. Is used to detect changes between antennal segments

A. All of the above

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The following is the genus of the “yellow fever mosquito” and “Asian tiger mosquito” that vectors
dengue, chikungunya and zika viruses.
A. Heterosternuta
B. Anopheles
C. Culex
D. Aedes

D. Aedes

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Dolbears law refers to what insect and environmental relationship?

A. Predicting snowfall with housefly abundance
B. Predicting air temperature with cricket chirps
C. Predicting wind speed with dragonfly flight
D. Predicting rainfall with caterpillar growth

B. Predicting air temperature with cricket chirps

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The following sections are parts of an insect’s leg:

A. Tegula, cornicle, frenulum, petiole
B. Coxa, trochanter, femur, tibia and tarsus
C. Coxa, femur, tibia and mentum
D. Clypeus, corium, tegula and cornicle

b. Coxa, trochanter, femur, tibia and tarsus

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______ is found as both a supporting element in fungal cell walls and a key component of arthropod exoskeletons.

A. Epicuticle
B. Collophore
C. Epidermis
D. Chitin

D. Chitin

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Predaceous diving beetles belong to what insect order?

A. Siphonaptera
B. Coleoptera
C. Dermaptera
D. Diptera

B. Coleoptera

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Which of the following insect groups has a hemimetabolous development?

A. weevils
B. mayflies
C. ants
D. house flies

B. mayflies

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The majority of honey bees in a colony are females and called ______.

A. alates
B. drones
C. workers
D. queens

C. workers

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An insect heart is best described as a ______________.

A. four-chambered
B. lymphatic system
C. dorsal vessel
D. closed circulation

C. dorsal vessel

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_________ are thought to be one of the first arthropods.

A. Thysanura
B. Flies
C. Trilobites
D. Trichoptera

C. Trilobites

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If an insect is described as zoophilic, that insect prefers _______ to ______.

A. plants; animals
B. humans; animals
C. animals; plants
D. animals; humans

D. animals; humans

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Functions of the insect hemolymph includes:

A. wasted removal to excretory organs
B. hormone transport
C. all of the above
D. distribution of nutrients from the gut

C. all of the above

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25. The reproductive organ in male insects for transferring sperm is the _______. A. scape B. aedeagus C. paraproct D. gonopore

B. aedeagus

26. When and where were the first fire ants discovered in North America? A. Russellville, Arkansas in 1970s B. El Paso, TX in the 1920s C. Pensacola, Florida in the 1960s D. Mobile, Alabama in the 1930s

D. Mobile, Alabama in the 1930s

27. Ground beetles and cockroaches have _______________ legs used for running. A. cursorial B. saltatorial C. raptorial D. fossorial

A. cursorial

28. The _____________ civilization regarded dung beetles as sacred. A. Aztec B. Egyptian C. Roman D. Syrian

B. Egyptian

29. What is the correct common name for Solenopsis invicta Buren? A. red imported fire ant B. Japanese beetle C. painted lady butterfly D. German cockroach

A. red imported fire ant

30. Why do insects molt? A. to change from one instar to another B. all of the above C. to complete a step in metamorphosis D. to grow

B. all of the above

31. The butterfly pupa is known as a ____________. A. naiad B. cocoon C. chrysalis D. caterpillar

C. chrysalis

32. _______ flour has been developed and marketed in recent years as a new form of supplemental protein and a cooking agent. A. ant lion B. ground Beetle C. cricket D. cockroach

C. cricket

33. In which of the following insects do only the females suck blood? A. louse B. mosquito C. bedbug D. flea

B. mosquito

34. The prime cause of insect extinctions, at least of local populations if not species, is ___. A. climate change B. habitat loss C. predation from other insects D. humans capturing insects for research

B. habitat loss

35. Mole crickets have _______________ legs used for digging. A. saltatorial B. cursorial C. fossorial D. raptorial

C. fossorial

36. In what order of insects are the front wings known as "elytra?" A. Coleoptera B Hemiptera C Hymenoptera D Orthoptera

A. Coleoptera

37. Oothecas, or egg cases, belonging to what insect order? A. Coleoptera B. Diptera C. Mantodea D. Hemiptera

C. Mantodea

38. Which of the following orders of insects is most closely related to Diptera? A. Siphonaptera B.Thysanura C. Mantodea D. Hymenoptera

A. Siphonaptera

39. The ____ is the ventral surface of the thorax of insects. A. pleuron B. sternum C. front D. notum

B. sternum

40. What order of insects is generally considered most important from a medical and veterinary standpoint? A. Hymenoptera B. Pthiraptera C. Diptera D. Zoraptera

C. Diptera

41. Which insect structure develops from embryonic ectoderm? A. muscle B. midgut C. brain D. heart

C. brain

42. The insect abdomen contains: A. all of the above B. the digestion tract C. organs for excretion D. the reproductive tract

A. all of the above

43. A caterpillar of the cabbage butterfly is a common pest of _______________. A. turfgrass B. shrubs C. flowers D. vegetables

D. vegetables

44. 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. diapause and dormancy B. ectothermy and endothermy C. dormancy and diapause D. endothermy and ectothermy

B. ectothermy and endothermy

In what two states would one be most likely to contract rabbit fever, a disease that can be carried by ticks? A. California and Nevada B. Arkansas and Missouri C. Ohio and Illinois D. Texas and Oklahoma

B. Arkansas and Missouri

46. How does the honey bee queen decide the sex of her offspring? A. By laying haploid eggs into small cells for drones, and diploid eggs into large cells for workers B. By laying diploid eggs into small cells for drones, and haploid eggs into large cells for workers C. By laying diploid eggs into large cells for drones, and haploid eggs into small cells for workers D. By laying haploid eggs into large cells for drones, and diploid eggs into small cells for workers

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

47. During the _________, German cockroaches are very active. A. summer B. day C. night D. spring

C. night

48. Abdominal gills allow insects to utilize oxygen that is ____________________. A. trapped in the tissues of aquatic plants B. atmospheric C. generated by metabolic activity D. dissolved in the surrounding water

D. dissolved in the surrounding water

49. What structure protects the midgut from abrasion by food particles and acts as a sieve? A. peritrophic membrane B. intima C. proventriculus D. pyloric valve

A. peritrophic membrane

50. Webspinners belong to which insect order? A. Dermaptera B. Embioptera C. Psocoptera D. Orthoptera

B. Embioptera

51. If an insect is described as having haustellate mouthparts, it means that the insect consumes _____________. A. liquid food B. solid food C. grasses only D. blood only

A. liquid food

52. Chemicals released from plants to attract parasitic or predaceous insects that combat herbivorous insects are called ____________________. A. steroids B. kairomones C. pheromones D. tannins

B. kairomones

53. The boll weevil Anthonomus grandis was a severe cotton pest belonging to which family of beetles? A. Coccinelidae B. Carabidae C. Meloidae D. Curculionidae

D. Curculionidae

54. Blister beetles have what substance in their bodies that can be toxic to livestock? A. resilin B. cantharadin C. serotonin D. chitin

B. cantharadin

55. The renowned myrmecologist ____________________ established the field of sociobiology. A. John Bell B. Carl Linneaus C. CV Riley D. EO Wilson

D. EO Wilson

56. Which of the following arthropods are not insects? A. all of these are not insects B. daddy long leg C. tardigrade D. isopod

A. all of these are not insects

57. The eyes of caterpillars are called ________. A. stemmata B. hamuli C. tegmina D. ocelli

A. stemmata

58. A dun is a fly fishing term used to describe what type of insect? A. a mayfly adult B. a stonefly nymph C. a mayfly sub-adult D. a caddisfly sub-adult

C. a mayfly sub-adult

59. ____________ secrete a bubbly liquid-covering on plants to conceal themselves or their eggs. A. aphids B. wax moths C. scale insects D. spittle bugs

D. spittle bugs

60. _____ is the appropriate concentration of ethanol to preserve most insects. A. 60% B. 70% C. 100% D. 50%

B. 70%

61. As juvenile hormone levels fall in the hemolymph, what reaction is triggered in insects? A. immatures remain immature B. none of the above C. immature forms start to change towards adulthood D. the corpora allata start to release more 23-hydroxy ecdysone

C. immature forms start to change towards adulthood

62. The butterfly that mimics the monarch in coloration because of the distastefulness of monarchs to predators is the ____________. A. Cabbage Looper B. Tiger C. Swallowtail D. Viceroy

D. Viceroy

63. The following are some of the major insect wing veins: A. medial, coxal, femoral B. anal, tibial, subcostal C. coxal ,radius, tibial D. costa, radius, cubitus

D. costa, radius, cubitus

64. The pleural suture lies just posterior to the __________________. A. trochanter B. episternum C. epimeron D. trochantin

B. episternum

65. _________ do not belong to the order Hemiptera A. aphids B. leafhoppers C. cicadas D. bristletails

D. bristletails

66. Which of the followings is the common name of the order Mecoptera? A. caddisfly B. scorpionfly C. dragonfly D. firefly

B. scorpionfly

67. Insects have evolved over a period of approximately __________ years. A. 100 million B. 50 million C. 2 million D. 400 million

D. 400 million

68. Which structures are innervated by the protocerebrum of an insect's brain? A. antennae B. compound eyes and ocelli C. mouthparts D. bursa copulatrix

B. compound eyes and ocelli

69. Some insect eggs hatch inside the mother's body before exiting. An insect with this type of reproduction is called _________. A. oviparous B. none of the above C. ametabolous D. viviparous

D. viviparous

70. The father of modern taxonomy who created the binomial system of nomenclature was ________. A. Thomas Say B. Charles Darwin C. May Berenbaum D. Carl Linnaeus

D. Carl Linnaeus

71. Which part of the exoskeleton lies between the exocuticle and the wax layer? A. endocuticle B. cement layer C. cuticulin layer D. procuticle

C. cuticulin layer

72. Which structure is not part of an insect's antenna? A. scape B. flagellum C. pedicel D. coxa

D. coxa

73. What is the principle energy source for most insects? A. carbohydrates B. vitamins C. proteins D. cellulose

A. carbohydrates

74. In many insects, three light-sensitive "simple" eyes, or ____, are situated of the anterior vertex between the compound eyes. A. ocelli B. obtect C. ostium D. oligopod

A. ocelli

75. The "powder" left over from being in contact with moths or butterflies is actually tiny __________. A. scales B. wax crystals C. trichomes D. filaments

76. A measure of insect dispersion gives an indication of _______________. A. the ability of insects to detoxify pesticides B. the length of the segmented bodies of insects C. the short or long distances of insect migration D. the random, clumped, or uniform distribution of individuals across a given area

D. the random, clumped, or uniform distribution of individuals across a given area

77. Axillary sclerites form points of attachment for muscles that control the: A. wings B. mouthparts C. antennae D. legs

A. wings

78. Approximately ______ species of insects are used as food in many parts of the world. A. 100 B. 200 C. 500 D. 400

C. 500

79. Which insects never develop wings? A. fleas B. earwigs C. book louse D. aphids

A. fleas

80. Dermestid beetles that feed on dry and pinned specimens are commonly repelled with ___________. A. naphthalene B. plaster of Paris C. acetone D. ethyl acetate

A. napthalene

81. 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

B. location and date

82. All of the following insects have holometabolous development, except ___________. A. Coleoptera B. Neuroptera C. Mecoptera D. Thysanoptera

D. Thysanoptera

83.A ____________is a trap used to separate insects from soil or leaf litter. A. ultraviolet light trap B. pitfall trap C. berlese funnel D. sweep net

C. berlese funnel

84. What is a hematophagous insect? A. One that feeds on blood B. One that feeds on saliva C. One that feeds on hair D. One that feeds on bone

A. One that feeds on blood

85. Insects from this order do not act as pollinators: A. Coleoptera B. Diptera C. Phasmatodea D. Hymenoptera

C. Phasmatodea

86. Junctions between abdominal segments are best described as ________________. A. telescoping B. dovetailed C. ball and socket D. hinged

A. telescoping

87. What are some reasons that could have influenced the large size of insects prehistorically? A. higher oxygen levels in the atmosphere and more aerial predators B. lower oxygen levels in the atmosphere and fewer aerial predators C. lower oxygen levels in the atmosphere and more aerial predators D. higher oxygen levels in the atmosphere and fewer aerial predators

D. higher oxygen levels in the atmosphere and fewer aerial predators

88. When an insect has a vestigial mouthpart, that insect _______. A. can consume only solids B. can consume only liquids C. cannot eat D. possesses both piercing-sucking and chewing mouthparts

C. cannot eat

89. What does it mean when an insect is described as hemimetabolous? A. The insect has a nymphal and pupal stage. B. The insect has a larval stage. C. The insect has a pupal stage. D. The insect has a nymphal stage.

D. The insect has a nymphal stage.

90. _________ are the individual light-sensing and image forming units of the insect's compound eye. A. ocelli B. rhabdomeres C. ommatidia D. cornea

C. ommatidia

91. What is the function of an aeropyle of an insect's egg? A. excrete nitrogenous wastes B. absorb moisture C. prevent water loss D. gas exchange

D. gas exchange

92. Which structure would not be found on an insect's leg? A. propodeum B. coxa C. tarsomere D. arolium

a. propodeum

93. What order of insect vectors Chagas disease? A. Hemiptera B. Lepidoptera C. Diptera D. Orthoptera

A. Hemiptera

94. Cochineal is a natural product produced from: A. scales B. grasshoppers C. beetles D. mites

A. scales

95. After its second molt an insect is a _____________ instar. A. third B. second C. final D. first

A. third

96. Which insect orders are exclusively herbivorous? A. Orthoptera and Phasmatodea B. Psocoptera and Trichoptera C. Thysanoptera and Neuroptera D. Lepidoptera and Hemiptera

A. Orthoptera and Phasmatodea

97. _______________ are the two orders of primitively wingless insects. A. Diplura and Collembola B. Archaeognatha and Thysanura C. Apterygota and Thysanura D. Protura and Microcoryphia

B. Archaeognatha and Thysanura

98. What do the orders Mantodea and Blattodea have in common? A. sucking mouthparts B. blood suckers C. eggs are produced inside a pouch or ootheca D. hind wings are modified into halteres

C. eggs are produced inside a pouch or ootheca

99. Dermaptera or earwigs are most closely related to which insect order? A. Hemiptera B. Orthoptera C. Coleoptera D. Hymenoptera

B. Orthoptera

100. Katydids belong to which insect order? A. Orthoptera B. Zoraptera C. Hemiptera D. Embioptera

A. Orthoptera

101. A beating tray or beat sheet is best used to collect which type of insects? A. none of the above B. insects that are nocturnal and attracted to light C. insects that frequent plants and are reluctant to fly or run D. insects that scurry across the ground rather than fly

C. insects that frequent plants and are reluctant to fly or run

102. A hearing organ of an insect is the ______________. A. labrum B. vertex C. frons D. tympanum

D. tympanum

103. Most digestion in insects occurs in the: A. crop B. midgut C. foregut D. hindgut

B. midgut

104. The phrase "endemic" insect refers to: A. invasive B. occurrence in a desert habitat C. native to or limited to a certain region D. occurrence in an unfavorable environment

C. native to or limited to a certain region

105. In what order of insects are the front and hind wings held together by hamuli? A. Hymenoptera B. Lepidoptera C. Hemiptera D. Diptera

A. Hymenoptera

106. ____________________ can be used as biological control agents to help control pests. A. all of these B. parasitic wasps C. lacewings D. ladybird beetles

A. all of these

107. The developmental stage of an insect between molts is called a/an ______________. A. instar B. cocoon C. morph D. larva

A. instar

108. Collophore and furcula are morphological terms associated with which order of insects? A. Collembola B. Lepidoptera C. Ephemeroptera D. Odonata

A. Collembola

109. 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. endocuticle B. epicuticle C. cuticulin layer D. exocuticle

A. endocuticle

110. Digging legs of mole crickets are what functional type? A. saltatorial B. fossorial C. raptorial D. cursorial

B. fossorial

111. This best choice for a chemical to use in an insect kill jar is ________________. A. naphthalene B. potassium cyanide C. paradichlorobenzene D. ethyl acetate

D. ethyl acetate

112. Which part of an insect's antenna articulates with its head capsule? A. arista B. scape C. pedicel D. flagellum

B. scape

113. Which structure lies between the crop and the gastric caecae in the insect digestive system? A. colon B. esophagus C. pyloric valve D. proventriculus

D. proventriculus

114. An insect has a protective cuticle that allows it to ______________. A. produce biological defense compounds (immune response) B. use chemo-and mechano-receptors C. all of the above D. self-repair (if damaged)

C. all of the above

115. A legless, eyeless, vermiform larva that is approximately 5 mm in length would probably belong to what insect order? A. Orthoptera B. Blattodea C. Siphonaptera D. Odonata E. Ephemeroptera

C. Siphonaptera

116. The hypopharynx separates the mouth opening or food canal from the _____________. A. labrum B. mandibles C. cibarium D. salivarium

D. salivarium

117. The furca is best described as: A. An internal brace for the legs. B. A fulcrum for the wings. C. A hinge for the neck. D. A springing organ.

A. an internal brace for the legs.

118. What was a major arthropod borne disease that resulted in great losses for Napoleon on his campaign to Russia? A. malaria B. epidemic typhus fever C. plague D. yellow fever

B. epidemic typhus fever

119. Monarch butterflies depend on which plant for their survival? A. trumpet vine B. milkweed C. red clover D. daisies

B. milkweed

120. Puddling is a behavior in the __________ where aduts aggregate and drink from mud puddles or moist soil. A. Trichoptera B. Thysanoptera C. Phasmatodea D. Lepidoptera

D. Lepidoptera

121. The "scales" of butterflies are _______________. A. flattened setae B. campaniform sensilla C. halteres D. frons

A. flattened setae

122. A _______________ is the immature, aquatic stage of a dobsonfly. A. ant lion B. hellbender C. hellgrammite D. grub

C. hellgrammite

123. 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

C. halteres

124. Giant water bugs belong to the order Hemiptera and are in the family _______________. A. Danaidae B. Dytiscidae C. Belostomatidae D. Muscidae

C. Belostomatidae

The "vampire" mite that has been a serious pest of managed honey bees is the _______________. A. wax mite B. scabies mite C. varroa mite D. honey mite

C. varroa mite

126. Which abdominal structure of an insect is unpaired? A. epiproct B. paraproct C. cerci D. valvifer

A. epiproct

127. Which part of the leg lies between the femur and the tarsus? A. trochanter B. arolium C. coxa D. tibia

D. tibia

128. How many abdominal segments are found in a typical insect? A. more than 15 B. 6 to 11 C. less than 5 D. 12 or 13

B. 6 to 11

129. Imaginal discs are best described as: A. underdeveloped legs and wings. B. control centers for embryonic development. C. vestigal reproductive organs. D. groups of undifferentiated cells.

D. groups of undifferentiated cells.

130. To which family do hard ticks belong? A. Argasidae B. Simuliidae C. Ixodidae D. Heptageniidae

C. Ixodidae

131. Immature scale insects are called _____. A. crawlers B. gliders C. sliders D. walkers

A. crawlers

132. Which insect order does not have aquatic stages of development? A. Thysanoptera B. Hemiptera C. Coleoptera D. Neuroptera

A. Thysanoptera

133. In cicadas and other sucking insects, movement of liquid to the mouth results from the action of a _____. A. corneal pump B. cibarial pump C. cuticle D. corneagen cell

B. cibarial pump

134. Which larval type does not have walking legs? A. eruciform B. campodeiform C. vermiform D. scarabaeiform

C. vermiform

135. What order of insects usually have their wings covered in flattened setae or scales? A. Lepidoptera B. Diptera C. Hemiptera D. Coleoptera

A. Lepidoptera

136. An insect's cuticle is primarily made of ____________, which has also been studied for its medicinal properties. A. melanin B. chitin C. hemolymph D/ melatonin

B. chitin

137. The bed bug, Cimex lectularious, is an effective vector of what pathogenic microorganism? A. sporidia B. none C. loa loa D. wolbachia

B. none

138. Which of the following describes the jumping legs of grasshoppers. A. natatorial B. raptorial C. saltatorial D. cursorial

C. saltatorial

139. The dorsal sclerite of each abdominal segment is called a _______________. A. coxite B. pleurite C. tergite D. sternite

C. tergite

140. __________ is the order of walkingsticks and leaf insects. A. Phasmatodea B. Mantodea C. Mantophasmatodea D. Orthoptera

B. Phasmatodea

141. In integrated pest management, this is the point at which action must be taken to avoid economic damage from insect injury. A. plant health level B. economic threshold C. economic injury level D. pest threshold

B. economic threshold

142. _______________ is the largest professional society dedicated to the study of insects. A. Entomological Society of America B. American Society for the Study of Insects C. Chinese Academy of Sciences D. European Entomological Society

A. Entomological Society of America

143. Where do the larva of horse flies occur? A. in turf B. in aquatic or marshy environments C. in flower beds D. in brush piles

B. in aquatic or marshy environments

144. If an insect's subesophageal ganglion were paralyzed, it would be unable to _________. A. eat B. fly C. see D. walk

A. eat

145. A caterpillar does not have _________. A. compound eyes B. mandibles C. claws D. prolegs

A. compound eyes

146. Which of the following common name and order combination is correct? A. Psocoptera - leafhopper B. Blattodea - cockroaches C. Mecoptera - lacewing D. Hemiptera - wasps

B. Blattodea-cockroaches

147. In centipedes, the "fangs" are what type of structure? A. modified legs B. modified mouthparts C. maxilla D. mandibles

A. modified legs

148. Which structure is NOT part of the head capsule of insects? A. antennae B. pronotum C. tentorium D. vertex

B. pronotum

149. ______________ belong to the order Hymenoptera. A. wasps and ants B. flies and mosquitoes C. grasshoppers and crickets D. beetles and weevils

A. wasps and ants

150. A/an ______________ is used by female insects to lay eggs. A. ovipositor B. ovum C. cerci D. spermatheca

A. ovipositor

151. What is the branch of science concerned with describing, naming, and classifying organisms? A. Phylogeny B. Speciation C. Zoology D. Taxonomy

D. Taxonomy

152. Which of this information is not common on insect specimen labels? A. county B. state C. soil type D. collector's name

C. soil type

153. Approximately how many species of insects have been described to date? A. 5 million B. 12 million C. 1 million D. 500 thousand

C. 1 million

154. The following are groups of eusocial insects: A. ants B. termites C. All of these are eusocial insects D. gall-forming aphids

C. All of these are eusocial insects

155. Ant lions belong to the order ______________. A. Diptera B. Coleoptera C. Isoptera D. Neuroptera

D. Neuroptera

156. What material do solitary female bees provision for their offspring in cell chambers? A. honey B. rotting meat C. fruit D. pollen

D. pollen

157. The ____ are structures of the insect head that are responsible for grinding solid food. A. calyx B. mandibles C. labrum D. maxilla

B. mandibles

158. Dichotomous keys are primarily based on differences and similarities in insect ____________. A. physiology B. pest status C. morphology D. behavior

C. morphology

159. The order Phthiraptera contains _________________. A. bristletails and silverfish. B. chewing and sucking lice C. dragonflies and damselflies D. roaches and mantids

B. chewing and sucking lice

160. The tracheal system of an insect is best described as ________________________. A. a network of hollow tubes B. a radial pattern of filaments C a chain of interconnecting cells D a method of anaerobic respiration

A. a network of hollow tubes

161. Which structures would be found in an eruciform larva, but not in a scarabaeiform larva? A. mandibles B. spiracles C. ocelli D. prolegs

D. prolegs

162. The insect mouthparts include all of these structures except: A maxillae *B clypeus C hypopharynx D labium

B. clypeus

163. 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. prothoracic gland B. tritocerebrum C. peritrophic membrane D. malpighian tubules

D. malpighian tubules

164. __________ are regarded as the most important group of insect pollinators. A. Hymenoptera, Ichneumonidae B. Hymenoptera, Apoidea C. Coleoptera, Cantharidae D. Diptera, Syrphidae

B. Hymenoptera, Apoidea

165. Squash bugs belong to what insect order? A. Hemiptera B. Diptera C. Coleoptera D. Lepidoptera

A. Hemiptera

166. The followings are the parts of the insect thorax: A. pirothorax, hexathorax and etathorax B. metathorax, mesothorax and prothorax C. mesothorax, metathorax and semithorax D. prothorax, mesothorax and entothorax

B. metathorax, mesothorax and prothorax

167. Approximately how many native bee species are known in North America? A. 500 B. 4,000 C. 800 D. 1,000

B. 4,000

168. These insects typically hold their wings together above and over their abdomen when resting. A. moths B. butterflies C. stoneflies D. dragonflies

B. butterflies

169. What diseases do Culex pipiens pipiens and C. p. quinquefasciatus vector? A. malaria B. dengue fever C. yellow fever D. St. Louis encephalitis

D. St. Louis encephalitis

170. Which structures of insects are part of the ovipositor? A. cerci B. valvulae C. aedeagus D. paraprocts

B. valvulae

171. Malaria was eradicated in the U.S. in the mid 20th century in part because of the widespread use of _________. A. DDT B. Sevin C. Deet D. Malathion

A. DDT

172. An insect with tracheal gills would probably be found in ____________________. A. a cold mountain stream B. an oceanic community C. a sewage treatment lagoon D. a stagnant pond

A. a cold mountain stream

173. Insects have _________ pair of legs and _________primary body regions. A. 6, 2 B. 3, 3 C. 3, 2 D. 4, 2

B. 3, 3

174. Numerous families in the order ___________ can transmit plant diseases with their piercing-sucking mouthparts. A. Psocodea B. Plecoptera C. Strepsiptera D. Hemiptera

D. Hemiptera

175. Solitary bees build nests in what type of habitat? A. in the soil B. all of the above C. in hollow plant stems D. in existing small tree holes or cavities

B. all of the above

176. 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, ability to live without a brain C. high reproductive rate, the evolution of flight, size D. size, the evolution of flight, lack of wings

C. high reproductive rate, the evolution of flight, size

177. Dutch elm disease is caused by a ___________ that is carried by ____________. A. fungus, beetles B. mycoplasma, leafhoppers C. virus, aphids D. virus, thrips

A. fungus, beetles

178. Some insects are considered _____ because loss of their contributions to critical ecological functions could collapse a broader ecosystem. A. keystone Species B. fundamental Species C. cornerstone Species D. base Species

A. keystone Species

179. A parsley worm is in the order ______________________ and the adult turns into a _____________________. A. Diptera, mosquito B. Coleoptera, weevil C. Lepidoptera, cabbage looper D. Lepidoptera, swallowtail

D. Lepidoptera, swallowtail

180. The whirligig beetle has how many pairs of eyes? A. one B. four C. two D. three

C. two

181. ___________ is an ability of insects to survive toxicity after chronic exposure to pesticides. A. repellency B. resurgence C. tolerance D. resistance

D. resistance

182. One-way flow valves in the heart are called ______________. A. pulsatile organs B. apodemes C. spiracles D. ostia

D. ostia

183. What structures regulate air flow into and out of the tracheal system in insects? A. ostia B. taenidia C. spiracles D. tracheoles

C. spiracles

184. The plague, or "black death," is a disease of rodents and is transmitted by the ________. A. Asian lady beetle B. Oriental rat flea C. western tarnished plant bug D. human body louse

B. Oriental rat flea

185. Which of these events occurs first during insect egg development? A. segregation of the germ cells B. enlargement of the germ band C. differentiation of germ layers D. migration of the cleavage nuclei

D. migration of the cleavage nuclei

186. _________________ is where digestive enzymes are secreted and most food absorption occurs in the insect gut. A. stomodeum B. mesenteron C. proventriculum D. proctodeum

B. mesenteron

187. A sperm cell enters the insect egg through the _____________. A. oosome B. germ band C. micropyle D. morula

C. micropyle

188. Which insect order contains the crickets and grasshoppers? A. Hymenoptera B. Lepidoptera C. Blattodea D. Orthoptera

D. Orthoptera

189. What is the primary chemical component of the insect's egg shell? A. calcium B. lipid C. polysaccharide D. protein

D. protein

190. Urticating hairs are associated with plants, tarantulas and what insect order? A. Strepsiptera B. Mecoptera C. Blattodea D. Lepidoptera

D. Lepidoptera

191. Which structure would not be found on an insect's prothorax? A. leg B. pronotum C. wing D. spiracle

C. wing

192. Honey bees are valuable agricultural pollinators worth an estimated ____ annually in the United States. A. $25 Million B. $98.8 Million C. $15 Billion D. $7.5 Billion

C. $15 Billion

193. Which of these following components are not part of integrated pest management (IPM)? A. economic thresholds B. application of pesticides based only on calendar dates C. information on the pest's life cycle and habitat D. biological control

B. application of pesticides based only on calendar dates

194. A ___________ is used to collect ground dwelling, crawling insects. A. ultraviolet light trap B. Berlese funnel C. pitfall trap D. malaise trap

C. pitfall trap

195. The state insect of Texas is the __________________. A. honey bee B. monarch butterfly C. Texas checkered spot butterfly D. lady bird beetle

B. monarch butterfly

196. Which of these occupies the largest volume in an unfertilized insect egg? A. yolk B. nucleus C. periplasm D. embryo

A. yolk

197. Which of the following arthropods is not an insect: A. dragonfly B. scorpion C. fly D. cockroach

B. scorpion

198. ______are not considered a biological control agent for killing insect pests. A. microbes B. parasitoids C. predators or parasites D. pheromones

D. pheromones

199. A suture of the exoskeleton is best described as a _________. A. point of attachment between segments. B. membranous bridge. C. thick ridge of cuticle. D. line or junction between two sclerites.

D. line of junction betwen two sclerites.

200. Rigid, inflexible structures of the exoskeleton are called __________. A. sclerites B. apodemes C. segments D. sutures

A. sclerites

201. What percentage of flowering plants on Earth require insect pollination? A. 50% B. 30% C. 95% D. 75%

D. 75%

202. What are the larva of mosquitoes commonly referred to as? A. dancers B. wigglers C. tumblers D. crawlers

B. wigglers

203. The snakeflies belong to the order ________________________. A. Neuroptera B. Odonata C. Raphidioptera D. Coleoptera E Megaloptera

C. Raphidioptera

204. The insect cuticle is between _____ and ______ microns thick. A. 100, 300 B. 120, 1000 C. 300, 400 D. 50, 75

A. 100, 300

205. Very few insects are found in this habitat. A. ocean B. trees C. soil D. lakes

A. ocean

206. What are some characteristics of social insects? A. cooperative care of the young B. usually associated with a confined space like a nest C. reproductive division of labor D. All of these are characteristics of social insects

D. All of these are characteristics of social insects

207. Which of these is not a longitudinal wing vein? A. radius B. cubitus C. furca D. costa

C. furca

208. About ____ percent of people that get stung by stinging insects suffer serious reactions. A. 4% B. 3% C. 1% D. 10%

B. 3%

209. The blood of insects is called _______________. A. sebum B. hemoglobin C. hemocyanin D. hemolymph

D. hemolymph

210. Rachel Carson published a book titled _______________ that highlighted pesticide issues and environmental contamination as a result of the overuse of DDT in the mid 20th century. A. The Hungry Caterpillar B. Silent Spring C. A Bug's Life D. Sand County Almanac

B. Silent Spring

211. Insects use their olfactory system for ______________. A. seeing B. smelling C. sucking D. hearing

B. smelling

212. The Hymenoptera from the list below that are not social are: A. sweat bees B. hornets C. honey bees D. leafcutter bees

D. leafcutter bees

213. A ____________ is the stage of development of an insect between the immature form and the adult in holometabolous insects (those insects that go through complete metamorphosis). A. imago B. larva C. third instar D. pupa E. subimago

D. pupa

214. Water boatmen have ______________ legs used for swimming. A. natatorial B. cursorial C. fossorial D. raptorial

A. natatorial

215. The aquatic insect order whose immature stages sometimes create rock cases is: A. Odonata B. Ephemeroptera C. Trichoptera D. Diptera

C. Trichoptera

216. What is the causal agent of pink eye in cattle that can be vectored by flies? A. Moraxella bovis B. Sarcoptes scabiei C. Trypanosoma evansi D. Corethrella bovis

A. Moraxella bovis

217. 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. monarch butterfly B. flame skimmer C. green darner D. western tarnished plant bug

A. monarch butterfly

218. An insect's head is specialized for _____________________. A. ingestion and perception B. reproduction and digestion C. adaptation and respiration D. orientation and locomotion

A. ingestion and perception

219. Caddisflies belong to the order ____________________. A. Trichoptera B. Lepidoptera C. Isoptera D. Neuroptera

A. Trichoptera

220. What function do protein cross-linkages have in the insect exoskeleton? A. They make membranes more flexible. B. They make sclerites more rigid. C. They lighten the color of the exoskeleton. D. They make it impermeable to water.

B. They make sclerites more rigid.

221. Insects that pass through the egg, larva, pupa, and adult stages in their life cycle have _________________. A. no metamorphosis B. gradual metamorphosis C. complete metamorphosis D. incomplete metamorphosis

C. complete metamorphosis

222. The discoverer of mosquito transmission of malaria was ___________. A. Carl Linnaeus B. Carlos Finlay C. E.O. Wilson D. Sir Ronald Ross

D. Sir Ronald Ross

223. The fireflies belong to which insect order? A. Diptera B. Megaloptera C. Coleoptera D. Neuroptera

C. Coleoptera

224. Widely used pesticides that have been in the spotlight recently for being toxic to honey bees include: A. spinosyns B. neem oil C. neonicotinoids D. diamides

C. neonicotinoids

225. The frons and the clypeus, located on the head, are separated by the _______________. A. subgenal suture B. labrum C. epistomal suture D. gena

C. epistomal suture

226. _______ is a primary characteristic of the order Orthoptera and is the type of forewing of this group. A. tegmina B. elytra C. hamuli D. hemelytra

A. tegmina

227. What insects are included in the order Pthiraptera? A. flies B. cockroaches C. lice D. bed bugs

C. lice

228. Which structures are not a component of the endocrine system in insects? A. ventral ganglia B. corpora cardiac C. salivary glands D. prothoracic glands

C. salivary glands

229. Honeybees use the _______________ dance to communicate the location of food sources from hive. A. round B. square C. waggle D. figure eight

C. waggle

230. 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. Urban Entomology B. All of the above C. Insect Ecology D. Aquatic Entomology

B. All of the above

23. ______ determines whether bee larvae become a queen or worker. A. Food B. Morphology C. Type of wings D. Gender

A. Food

232. The feces of triatomid bugs harbor the causative agent for what disease in humans? A. Chagas disease B. Pierce's disease C. Malaria D. Dengue

A. Chagas disease

233. What are two distinguishing features of the subphylum Hexapoda that separates them from other classes of arthropods? A. Having three pairs of legs and an exoskeleton B. A three-segmented body and the ability to molt C. The ability to undergo metamorphosis and having a three-part body D. Having a three-part body and six legs

D. Having a three-part body and six legs

234. What is the name for the "shell" of an insect egg? A. blastula B. chorion C. serosa D. morula

B. chorion

235. Which part of the exoskeleton is formed by a single layer of epithelial cells? A. procuticle B. basement membrane C. epidermis D. cuticulin layer

C. epidermis

236. An apodeme could NOT be described as ______________. A. a flexible joint in the exoskeleton. B. a point of attachment for muscles. C. an internal ridge of the exoskeleton. D. a brace to strengthen the exoskeleton.

A. a flexible joint in the exoskeleton.

237. 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. shell; appendage B. hard; wing C. shield; appendage D. sheath; wing

D. sheath; wing

238. A mass of neural tissue that contains mostly nerve cell bodies and interneurons in an insect is called a _________________. A. synapse B. ganglion C. motor neuron D. nerve

B. ganglion

239. The following are natural products derived from insects: A. Silk, natural red 4, royal jelly, and honey B. Silk, carmine, and polysaccharides C. Carmine, silk, honey, and blue dyes D. Natural green 6 and honey

A. Silk, natural red 4, royal jelly, and honey

240. A tool that allows one to adjust the height and position of a pinned specimen and accompanying label is a ___________. A. pinning block B. spreading board C. forceps D. point

A. pinning block

241. What is the mouthpart called for feeding within the Lepidoptera? A. proboscis B. pronotum C. paranota D. pylorus

A. proboscis

242. 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. whitefly B. pirate bug C. scale D. thrip

D. thrip

243. What was a major cotton pest that was successfully eradicated in the U.S.? A. sunflower head moth B. lygus bug C. boll weevil D. stink bug

C. boll weevil

244. What is the reservoir of louse-born typhus? A. cats B. humans C. horses D. dogs

B. humans

245. The majority of native bees nest in what type of habitat? A. bamboo stems B. trees C. soil D. flowering plants

C. soil

246. Which structure never occurs on an abdominal segment? A. spine B. pleural suture C. apodeme D. spiracle

B. pleural suture

247. Which abdominal structures of insects are primarily sensory in function? A. sternites B. paraprocts C. cerci D. valvulae

C. cerci

248. What structure is found in Diptera, but NOT in Hymenoptera? A. cerci B. stigma C. stinger D. haltere

D. haltere

249. The Latin word "Insectum" means: A. cut into pieces B. segments C. insect D. small pieces

A. cut into pieces

250. Which structure is not part of an insect's tracheal system? A. spiracle B. tracheole C. sinus D. taenidia

C. sinus