Midterm

Question 1

Coleoptera

Answer 1

Beetles, Holo; wings with elytra

Question 2

Diptera

Answer 2

Two wings, mosquitos and flies, Holo; wings w/ halteres

Question 3

Hemiptera

Answer 3

True bugs, Hemi, have sucking parts

Question 4

Hymenoptera

Answer 4

Wasps, bees, ants, Holo, skinny “waist”

Question 5

Lepidoptera

Answer 5

Butterflies and Moths, Holo; proboscis for sucking; wings w/ scales

Question 6

Mantodea

Answer 6

Mantis, Hemi; leathery forewings; chewing mouthparts; raptorial
forelegs

Question 7

Orthoptera

Answer 7

Jumpers, grasshoppers, Hemi, chewing mouthparts

Question 8

Phasmotodea

Answer 8

Walking sticks, Hemi; wings in males; reduced in females; chewing mouthparts

Question 9

Siphopoptera

Answer 9

Fleas, no wings

Question 10

How do we see the success of insects?

Answer 10

Small size
Genetic plasticity
Coevolution changes
Isolation of small population
Flight
Short generation time
Metamorphosis

Question 11

Why are insects important?

Answer 11

Nutrient Recycling
Plant propagation
Maintenance of Plant Community
Source of food
Maintenance of animal structure
Keystone species

Question 12

What type of metamorphosis is Amet?

Answer 12

Egg to adult

Question 13

What type of metamorphosis is Hemi?

Answer 13

Egg to Nymph to Adult

Question 14

What type of metamorphosis is Holo?

Answer 14

Egg to Larva to Pupa to Adult

Question 15

What are the key characteristics of arthopods?

Answer 15

Jointed Appendages
Segmented Bodies
Striated Muscles
Exoskeleton - Chitin

Question 16

What is an entognath?

Answer 16

Covered mouthparts

Question 17

What mouthparts to insects have?

Answer 17

Exposed

Question 18

Apterygote

Answer 18

primitively wingless

Question 19

Pterygote

Answer 19

winged or 2ndarily wingless

Question 20

Palaeoptera

Answer 20

Wings cannot be folded

Question 21

Neoptera

Answer 21

wings folded

Question 22

Polyneoptera

Answer 22

expanded anal area

Question 23

Paraneoptera

Answer 23

mouthparts have a sucking pump

Question 24

Endopterygota

Answer 24

Holometaboulous development

Question 25

What is an Apod?

Answer 25

without legs

Question 26

What is an Oligopod?

Answer 26

have limbs on the thorax

Question 27

What is a Polypod?

Answer 27

have limbs on thorax and abdomen

Question 28

What is Instar?

Answer 28

form between periods of molting

Question 29

What is Stadium?

Answer 29

time between periods of molting

Question 30

What is diapause?

Answer 30

suspended development due to unfavored conditions

Question 31

What is quiescence?

Answer 31

dormancy, but can respond to stimuli

Question 32

What is voltinism?

Answer 32

the number of broods or generations of an organism within a year

Question 33

What are ecdysteroids?

Answer 33

controls molting and metamorphic transitions

Question 34

What is juvenile hormone?

Answer 34

play a key role in regulating development, metamorphosis, and reproduction

Question 35

What are neurohormones?

Answer 35

control molting, diapause, reproduction, osmoregulation, metabolism, and muscle contraction

Question 36

What is a crop and proventriculus?

Answer 36

storage for food before being digested

Question 36

What is a frass?

Answer 36

insect feces

Question 36

What is a spermatophore?

Answer 36

a protein capsule containing a mass of spermatozoa

Question 36

What are dipterian larvae?

Answer 36

larvae without segmented thoracic legs, instead have pairs of fleshy, locomotory prolegs on the thorax and/or abdomen

Question 36

What is a spermatheca?

Answer 36

a receptacle in which sperm is stored after mating

Question 36

Tagmata

Answer 36

Head 6 Thorax 3 Abdomen 11