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Entomology

Total questions: 135

Worksheet time: 1hrs 8mins

Name
Class
Date
1.

To which body segment are the elytra attached?

a)

prothorax

b)

first abdominal

c)

metathorax

d)

mesothorax

2.

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

a)

ecdysis

b)

excuvium

c)

stadium

d)

scerite

3.

the eastern population of monarch butterflies overwinter in

a)

baja california

b)

central mexico

c)

florida

d)

texas

4.

The abdomen of insects is specialized for:

a)

feeding and locomotion

b)

reproduction and digestion

c)

digestion and ingestion

d)

locomotion and reproduction

5.

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

a)

water barrier

b)

protection

c)

thermal insulation

d)

muscle attachment

6.

_________ 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

7.

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

a)

Thysanura

b)

Mecoptera

c)

Odonata

d)

Hemiptera

8.

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

9.

A geniculate insect antenna is ______________________.

a)

clubbed

b)

serrated

c)

elbowed

d)

hairy

10.

_____________ is a family in the order __________

a)

Chrysomelidae, Collembola

b)

Tortricidae, Hemiptera

c)

Coleoptera, Chrysomelidae

d)

Chrysomelidae, Coleoptera

11.

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

a)

females have smaller compound eyes

b)

hairy legs in male, females without hairy legs

c)

elongated mouthparts in males, shorter in females

d)

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

12.

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

a)

trochanter

b)

sticky pads

c)

claws

d)

spines

13.

The Johnston¶s organ ___________________________.

a)

all 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

14.

The following is the genus of the ³yellow fever mosquito´and ³Asian tiger mosquito´that vectors dengue, chikungunya and zika viruses.

a)

heterosternuta

b)

anopheles

c)

culex

d)

aedes

15.

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

16.

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

17.

_____ 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

18.

Predaceous diving beetles belong to what insect order?

a)

Siphonaptera

b)

Coleoptera

c)

Dermaptera

d)

Diptera

19.

Which of the following insect groups has hemimetabolous development?

a)

weevils

b)

mayflies

c)

ants

d)

house flies

20.

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

a)

alates

b)

drones

c)

workers

d)

queens

21.

An insect heart is best described as a ______________.

a)

four-chambered

b)

lymphatic system

c)

dorsal vessel

d)

closed circulation

22.

_________ are thought to be one of the first arthropods.

a)

Thysanura

b)

Flies

c)

Trilobites

d)

Trichoptera

23.

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

a)

plants; animals

b)

humans; animals

c)

animals; plants

d)

animals; humans

24.

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

25.

The reproductive organ in male insects for transferring sperm is the ______________

a)

scape

b)

aedeagus

c)

paraproct

d)

gonopore

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

27.

Ground beetles and cockroaches have _______________ legs used for running.

a)

Cursorial

b)

Saltatorial

c)

Raptorial

d)

Fossorial

28.

The _____________ civilization regarded dung beetles as sacred.

a)

Aztec

b)

Egyptian

c)

Roman

d)

Syrian

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

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

31.

The butterfly pupa is known as a ____________.

a)

naiad

b)

cocoon

c)

chrysalis

d)

caterpillar

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

33.

In which of the following insects do only the females suck blood?

a)

louse

b)

mosquito

c)

bedbug

d)

flea

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

35.

Mole crickets have _______________ legs used for digging.

a)

Saltatorial

b)

Cursorial

c)

Fossorial

d)

Raptorial

36.

In what order of insects are the front wings known as "elytra?"

a)

Coleoptera

b)

Hemiptera

c)

Hymenoptera

d)

Orthoptera

37.

Oothecas, or egg cases, belonging to what insect order?

a)

Coleoptera

b)

Diptera

c)

Mantodea

d)

Hemiptera

38.

Which of the following orders of insects is most closely related to Diptera?

a)

Siphonaptera

b)

Thysanura

c)

Mantodea

d)

Hymenoptera

39.

The ____ is the ventral surface of the thorax of insects

a)

pleuron

b)

sternum

c)

front

d)

notum

40.

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

a)

Hymenoptera

b)

Pthiraptera

c)

Diptera

d)

Zoraptera

41.

Which insect structure develops from embryonic ectoderm?

a)

muscle

b)

midgut

c)

brain

d)

heart

42.

The insect abdomen contains:

a)

all of the above

b)

the digestion tract

c)

organs for excretion

d)

the reproductive tract

43.

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

a)

turfgrass

b)

shrubs

c)

flowers

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

45.

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

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

47.

During the _________, German cockroaches are very active

a)

summer

b)

day

c)

night

d)

spring

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

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

50.

Webspinners belong to which insect order?

a)

Dermaptera

b)

Embioptera

c)

Psocoptera

d)

Orthoptera

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

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

53.

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

a)

Coccinelidae

b)

Carabidae

c)

Meloidae

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

55.

The renowned myrmecologist ____________________ established the field of sociobiology.

a)

John Bell

b)

Carl Linneaus

c)

C.V. Riley

d)

E.O. 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

57.

The eyes of caterpillars are called _______________.

a)

stemmata

b)

hamuli

c)

tegmina

d)

ocelli

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

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

60.

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

a)

60%

b)

70%

c)

100%

d)

50%

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

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

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

64.

The pleural suture lies just posterior to the __________________.

a)

trochanter

b)

episternum

c)

epimeron

d)

trochantin

65.

_________ do not belong to the order Hemiptera

a)

aphids

b)

leafhoppers

c)

cicadas

d)

bristletails

66.

Which of the followings is the common name of the order Mecoptera?

a)

caddisfly

b)

scorpionfly

c)

dragonfly

d)

firefly

67.

Insects have evolved over a period of approximately __________ years

a)

100 million

b)

50 million

c)

2 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

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

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

71.

Which part of the exoskeleton lies between the exocuticle and the wax layer?

a)

endocuticle

b)

cement layer

c)

cuticulin layer

d)

procuticle

72.

Which structure is not part of an insect's antenna?

a)

scape

b)

flagellum

c)

pedicel

d)

coxa

73.

What is the principle energy source for most insects?

a)

carbohydrates

b)

vitamins

c)

proteins

d)

cellulose

74.

In many insects, three light-sensitive ³simple´eyes, or ____, are situated of the anterior vertex between

the compound eyes.

a)

ocelli

b)

obtect

c)

ostium

d)

oligopod

75.

The ³powder´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

77.

Axillary sclerites form points of attachment for muscles that control the:

a)

wings

b)

mouthparts

c)

antennae

d)

legs

78.

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

a)

100

b)

200

c)

500

d)

400

79.

Which insects never develop wings?

a)

fleas

b)

earwigs

c)

book louse

d)

aphids

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

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

82.

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

a)

Coleoptera

b)

Neuroptera

c)

Mecoptera

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

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

85.

Insects from this order do not act as pollinators:

a)

Coleoptera

b)

Diptera

c)

Phasmatodea

d)

Hymenoptera

86.

Junctions between abdominal segments are best described as ________________.

a)

telescoping

b)

dovetailed

c)

ball and socket

d)

hinged

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

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

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.

90.

_________ are the individual light-sensing and image forming units of the insect¶s compound eye.

a)

ocelli

b)

Rhabdomeres

c)

ommatidia

d)

Cornea

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

92.

Which structure would not be found on an insect's leg?

a)

propodeum

b)

coxa

c)

tarsomere

d)

arolium

93.

What order of insect vectors Chagas disease?

a)

Hemiptera

b)

Lepidoptera

c)

Diptera

d)

Orthoptera

94.

Cochineal is a natural product produced from:

a)

scales

b)

grasshoppers

c)

beetles

d)

mites

95.

After its second molt an insect is a _____________ instar

a)

third

b)

second

c)

final

d)

first

96.

Which insect orders are exclusively herbivorous?

a)

Orthoptera and Phasmatodea

b)

Psocoptera and Trichoptera

c)

Thysanoptera and Neuroptera

d)

Lepidoptera and Hemiptera

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

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

99.

Dermaptera or earwigs are most closely related to which insect order?

a)

Hemiptera

b)

Orthoptera

c)

Coleoptera

d)

Hymenoptera

100.

Katydids belong to which insect order?

a)

Orthoptera

b)

Zoraptera

c)

Hemiptera

d)

Embioptera

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

102.

A hearing organ of an insect is the ______________.

a)

labrum

b)

vertex

c)

frons

d)

tympanum

103.

Most digestion in insects occurs in the:

a)

crop

b)

midgut

c)

foregut

d)

hindgut

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

105.

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

a)

Hymenoptera

b)

Lepidoptera

c)

Hemiptera

d)

Diptera

106.

_____________________ can be used as biological control agents to help control pests

a)

all of these

b)

parasitic wasps

c)

lacewings

d)

ladybird beetles

107.

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

a)

instar

b)

cocoon

c)

morph

d)

larva

108.

Collophore and furcula are morphological terms associated with which order of insects?

a)

Collembola

b)

Lepidoptera

c)

Ephemeroptera

d)

Odonata

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

110.

Digging legs of mole crickets are what functional type?

a)

saltatorial

b)

fossorial

c)

raptorial

d)

cursorial

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

112.

Which part of an insect's antenna articulates with its head capsule?

a)

arista

b)

scape

c)

pedicel

d)

flagellum

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

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)

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

116.

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

a)

labrum

b)

mandibles

c)

cibarium

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.

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

119.

Monarch butterflies depend on which plant for their survival?

a)

trumpet vine

b)

milkweed

c)

red clover

d)

daisies

120.

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

a)

Trichoptera

b)

Thysanoptera

c)

Phasmatodea

d)

Lepidoptera

121.

The "scales" of butterflies are ________________.

a)

flattened setae

b)

campaniform sensilla

c)

halteres

d)

frons

122.

A _______________ is the immature, aquatic stage of a dobsonfly

a)

ant lion

b)

hellbender

c)

hellgrammite

d)

grub

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

124.

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

a)

Danaidae

b)

Dytiscidae

c)

Belostomatidae

d)

Muscidae

125.

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

126.

Which abdominal structure of an insect is unpaired?

a)

epiproct

b)

paraproct

c)

cerci

d)

valvifer

127.

Which part of the leg lies between the femur and the tarsus?

a)

trochanter

b)

arolium

c)

coxa

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

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.

130.

To which family do hard ticks belong?

a)

Argasidae

b)

Simuliidae

c)

Ixodidae

d)

Heptageniidae

131.

Immature scale insects are called _____.

a)

crawlers

b)

gliders

c)

sliders

d)

walkers

132.

Which insect order does not have aquatic stages of development?

a)

Thysanoptera

b)

Hemiptera

c)

Coleoptera

d)

Neuroptera

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

134.

Which larval type does not have walking legs?

a)

eruciform

b)

Campodeiform

c)

vermiform

d)

scarabaeiform

135.

What order of insects usually have their wings covered in flattened setae or scales?

a)

Lepidoptera

b)

Diptera

c)

Hemiptera

d)

Coleoptera