L2 Insect Orders

Question 1

What is the phylogenetic name for insects

Answer 1

Insecta

Question 2

What are the 2 infra classes of Pterygota and what do they mean

Answer 2

Paleoptera (old wing) and Neoptera (new wing)

Question 3

What are the 2 super-orders of Neoptera

Answer 3

Exopterygota and Endopterygota

Question 4

Do the wings of exopterygota develop internally or externally

Answer 4

Externally

Question 5

Do the nymphs of exopterygota resemble adults

Answer 5

Yes

Question 6

What are the Plecoptera indicators of

Answer 6

Pollution

Question 7

What is contained within the super-order dictyoptera

Answer 7

Cockroaches, termites and mantids

Question 8

What is the name for the toughenes front wings of cockroaches

Answer 8

Tegmina

Question 9

What group did termites used to belong to and what changed this

Answer 9

Were Ioptera
Molecular woek 20 years ago identified them to be in the same order as cockroaches

Question 10

What is the leg structure in mantids

Answer 10

Modified front legs for prey capture

Question 11

How many mantids are native to the UK

Answer 11

None

Question 12

What is the shape of a mantis head and waht kind of vision do they have

Answer 12

Triangular
Binocular vision

Question 13

What are the cerci

Answer 13

Sticking out bits on an earwig

Question 14

What trait do female earwigs wxhibit that is rarely seen in insects

Answer 14

Parental care

Question 15

What are the hindwings of orthoptera modified for

Answer 15

Jumping

Question 16

What do the forewings of orthoptera form and what does this do

Answer 16

Forms stridulatory organs
Make noise

Question 17

What defences do stick and leaf insects use

Answer 17

Camoflauge, bright coloured hindwings, spines and death feigning

Question 18

Where are the silk glands in webspinners found

Answer 18

First tarsal segment which is swollen

Question 19

What special silk structure do webspinners form

Answer 19

silk galleries

Question 20

At what life stages are Phthiraptera (parasitic lice) ectoparasites

Answer 20

As juveniles and adults

Question 21

The phthiraptera are secondary wingless, what does this mean

Answer 21

They intiially evolved wings but lost them as they were not needed

Question 22

The phthiraptera are secondary wingless, what does this mean

Answer 22

They intiially evolved wings but lost them as they were not needed

Question 23

How can the mouthparts of phthiraptera be modified

Answer 23

Chewing mandibles for feeding on feathers, fur or hair
Piercing stylets - inject anti-coagulants

Question 24

How many suborders of Hemiptera are there

Answer 24

4

Question 25

What is the biggest suborder of Hemiptera

Answer 25

Heteroptera

Question 26

What are bronchosomes and which suborder produced them

Answer 26

Auchenorrhyncha prodcued in a liquid which coats the body and provides water resistance

Question 27

What is a key feature of thrip wings

Answer 27

Have fringes of ling cilia Reduced venation

Question 28

How modified are the mouthparts of thrips

Answer 28

Very modified, only left mandible present

Question 29

Do the wings of Endopterygota develop internally or externally

Answer 29

Internal

Question 30

What are the life stages of Endopterygota

Answer 30

Larva -> pupa -> adult

Question 31

Do endopterygota larva resemble adults What is the benefit of this

Answer 31

No, larva and adults look different They don’t compete for the same resources

Question 32

What special feature may be found on an alderlies abdomen

Answer 32

Gills

Question 33

What special feature may be found on an alderlies abdomen

Answer 33

Gills

Question 34

Are alderflies good fliers

Answer 34

No

Question 35

How many pairs of wings do alderflies have

Answer 35

2

Question 36

What is the feeding method of Neuroptera larvae (antflies, lacewings etc) and how are they adapted for this

Answer 36

Specialised predators with elongated mandibles adapted for piercing and sucking Predators of pests

Question 37

What is the largest insect group

Answer 37

Coleoptera - beetles

Question 38

What is the hard structure which covers the body of coleoptera

Answer 38

Elytra

Question 39

Which group of coleoptera have a reduced elytra

Answer 39

Staphyliniidae - short elytra only covering part of the body

Question 40

What insects might stylops be parasites of

Answer 40

Bees, wasps, leafhopper, silverfish and cockroach

Question 41

What does neotenic mean

Answer 41

Like larvae

Question 42

Which sex of stylops can be described as neotenic

Answer 42

Females

Question 43

How can scorpionflies be identified

Answer 43

Elongated mouthparts

Question 44

What is the name for the elongated mouthpart of scorpionflies

Answer 44

Rostrum

Question 45

What is the lifestyle of fleas

Answer 45

obligate paraasites of mammals and birds

Question 46

How are the legs of Siphonaptera (fleas) adapted for their llifestyle

Answer 46

Long, hind pair adapted for jumping Have hairs for attachment

Question 47

Do Siphonaptera have wings

Answer 47

No - secondary wingless

Question 48

How many paris of functional wings do Diptera have

Answer 48

1

Question 49

What has happened to the hindwings in Diptera

Answer 49

Modified into halteres

Question 50

Do larvae of diptera have legs

Answer 50

No true legs but sometimes have prolegs

Question 51

What is the calypter

Answer 51

The reduced wings in diptera

Question 52

How many pairs of eings do caddislfies have

Answer 52

2

Question 53

Do adult caddisflies feed

Answer 53

No

Question 54

What can aquatic larvae of Trichoptera indicate

Answer 54

Water quality

Question 55

What is the structure of wings in Lepidoptera

Answer 55

They have flattened scales

Question 56

Which order are Lepidoptera closely related to

Answer 56

Trichoptera

Question 57

How is the mouthpart of lepidoptera adapted

Answer 57

Tubular proboscis

Question 58

What suborder to most UK Lepidoptera species belong to

Answer 58

Glossata

Question 59

What is the largest and most complex insect order

Answer 59

Hymenoptera

Question 60

What is the largest and most complex insect order

Answer 60

Hymenoptera

Question 61

What links the wings in Hymenoptera

Answer 61

Hamuli

Question 62

How is sex determined in Hymenoptera

Answer 62

Haplodiploid sex determination

Question 63

What is the haploid and diploid sex in Hymenoptera

Answer 63

Diploid = females Males = haploid

Question 64

What is the main lifestyle of Hymenoptera

Answer 64

Parasitic