Lecture 7

Question 1

Wing parts

Answer 1

Middle line is median flexion line, then claval furrow line, then anal fold line, and anal margin. Then theres that outside ridge parts, starts with costal margin from the top, then apex, posterior margin, anal area, and jugal area at the bottom.

Question 2

Sections of wings

Answer 2

Costa, then radial, then medial, then cubital, then anal, then jugal

Question 3

Family Aeshnidae (darners)

Answer 3

-Large body, compound eyes meet dorsally, and triangles of same shape on forewing/hindwing

Question 4

Scales wings

Answer 4

Lepidoptera has scales on wings that help with thermoregulation and water proofing.

Question 5

Hairs on Wings

Answer 5

Thysanoptera(thrip) order has and help with wing area and efficiency in flight

Question 6

Reduced veins wings

Answer 6

Hymenoptera order have these wings.

Question 7

Elaborate veins wings

Answer 7

Odonata(dragonfly) has this type

Question 8

Elytra wings

Answer 8

Lady bug beetles (coleoptera) has these. Doesn’t help in flight; more for protection. Fore wing is a shield for hind wing that can be folded in.

Question 9

hemelytra

Answer 9

Seen in true bugs, Hemiptera

Question 10

Halteres

Answer 10

Seen in diptera, flies. Help in balance in flight

Question 11

How to they fly?

Answer 11

Crouch and jump and flap wings at same time to fly.

Question 12

Tegmina

Answer 12

known as leathery wing, orthoptera has these (grasshoppers ,crickets and katydids) and Blattodea (cockroach)

Question 13

Membraneous wings

Answer 13

Are kind of clear wings. Diptera(flies) and (Hemiptera:Auchnorrhuncha)cicadas

Question 14

Jugum

Answer 14

Located at the base of fore wing and it overlaps with hind wing. Holds them together during flight

Question 15

Frenulum

Answer 15

Row of bristles at the front edge of hind wing and hook in forewing. Frenulum connects hind wing and forewing to make wings act as single surface. Seen in Lepidoptera and in Hymenoptera (bees and wasps).

Question 15

Frenulum

Answer 15

Row of bristles at the front edge of hind wing and hook in forewing. Frenulum connects hind wing and forewing to make wings act as single surface. Seen in Lepidoptera and in Hymenoptera (bees and wasps).

Question 16

Hamuli

Answer 16

Hook like on anterior margin of hind wing and it interlocks with posterior edge of forewing. Hymenoptera

Question 17

Coupling mechanisms

Answer 17

Hamuli: Tiny hooks in Hymenoptera
Frenulum: Bristle in Lepidoptera

Question 17

Coupling mechanisms

Answer 17

Hamuli: Tiny hooks in Hymenoptera
Frenulum: Bristle in Lepidoptera

Question 18

Deciduous Wings

Answer 18

Termites and Ants, used for leaving nest and finding mates. They’ll shed these wings afterwords.

Question 18

Deciduous Wings

Answer 18

Termites and Ants, used for leaving nest and finding mates. They’ll shed these wings afterwords.

Question 19

Tandem running

Answer 19

Females in front, males in behind. See this at home all the time!

Question 20

Brachypterous Wings

Answer 20

Short wings, seen in ear wigs (Dermapterma.) Minor role in flying

Question 21

Abdomen

Answer 21

Theres the Tergite on top, membrane in middle, Sternites at the bottom, and the Ovipositor sticks out for females. Ovipositor helps dig in soil and lay eggs. Also acts as stinger

Question 22

Pollen comb

Answer 22

Hind legs used to pick up pollen

Question 23

Aedeagus

Answer 23

Reproductive system of male insects. Malesneed to make sure they can grasp female and they scrape out any other sperm inside the female.