L3 - Insect Orders 1

Question 1

Give the morphological characteristics of Hymenoptera

Answer 1

• Waisted
• Paired wings
• Eusociality
• Striped

Question 2

What order do ants belong in?

Answer 2

Hymenoptera

Question 3

What order do springtails live in?

Answer 3

Collembola

Question 4

What are the characteristic morphological features of Collembola?

Answer 4

Biting mouthparts
4th abdominal segment has the furca on
Evolutionarily close to woodlouse and crustaceans

Question 5

What order do damselflies belong to?

Answer 5

Odonata

Question 6

What are the 2 suborders in Odonata? Give an example of an insect in each

Answer 6

Anisoptera = dragonfly
Zygoptera = Damselfly

Question 7

What are the morphological features of Odonata?

Answer 7

Biting mouthparts
Large elongated bodies
Huge eyes and minute antenna
2 pairs of glassy wings with many cross veins - forewings are narrower than hind wings

Question 8

What is the difference in how dragonflies and damselflies hold their wings at rest?

Answer 8

Dragonflies = held outspread at rest
Damselflies = wings on stalks held vertical at rest

Question 9

What order do earwigs belong to?

Answer 9

Dermaptera

Question 10

What is the Prothagnatus?

Answer 10

A mouthpart that sticks out

Question 11

What are the cerci like in Dermaptera?

Answer 11

Cerci are modified as forceps which help fold the wings

Question 12

What kind of gills do each have?

a) Anisoptera nymphs
b) Zygoptera nymphs

Answer 12

a) Anisoptera = nymphs have rectal gills

b) Zygoptera = nymphs have caudal gills

Question 13

What are the wings of Dermaptera like?

Answer 13

Leathery wings

Dermaptera means ‘skin-like wings’ in Latin

Question 14

What order do locusts and grasshoppers belong to?

Answer 14

Orthoptera

Question 15

What kind of specialised legs do Orthoptera have?

Answer 15

Metathoracic - for jumping

Question 16

What are the 2 orders of Orthoptera?

Answer 16

Enisfera = katydids, wetter’s and crickets

Caelifera = grasshoppers and locusts

Question 17

What order are heel walkers or gladiators in?

Answer 17

Manto-phasatodea - part mantis, part stick insect

Question 18

What are the bodies of heel walkers like?

Answer 18

Cylindrical bodies
Hypothagnatus (directed ventrally)
Long antenna and large eyes

Question 19

What order do mantids belong to?

Answer 19

Mantodea

Question 20

What are the legs of mantids like?

Answer 20

Prothoracic - raptorial to catch their prey out in front of them

Question 21

What insects belong in the order Blattodea?

Answer 21

Cockroaches and termites

Blattodea means ‘flat’

Question 22

What kind of mouthparts do Blattodea and Dermaptera have?

Answer 22

Prothagnatus

Question 23

What sub order of Blattodea do termites belong to?

Answer 23

Isoptera

Question 24

Isoptera are polymorphic, what does this mean?

Answer 24

There are different forms such as:

King and queen
Soldiers
Workers

Question 25

What insects belong to Hemiptera?

Answer 25

True bugs

Question 26

What are the characteristics of adult Hemiptera?

a) mouthparts
b) wings
c) Antenna

Answer 26

a) opisthognathous - no palps, proboscis is 3-4s segments long. They have piercing mouthparts
b) forewings - basal half is leathery, apical half is membranous. They lie in a X on the back

Question 27

How do the immature and adults doffer in Hemiptera?

Answer 27

Immature are structurally similar to adults but lack wings

Question 28

What are the 5 sub orders of Hemiptera?

Answer 28

1) Heteroptera - true bugs - water-boatman, shield bugs, bed bugs
2) Coleorrhyncha - moss bugs
3) Cicardamorpha - cicadas, leafhoppers, spittle bugs
4) Fulgoromorpha - plant hoppers
5) Sternorrhyncha - aphids, jumping plant lice, scale insects, white flies