Insects

Question 1

The locust and Rhodnius are examples of __________

Answer 1

Hemimetabolous insects

Question 2

The grasshopper is a _________ insect and a typical __________. Nymphs lack ________. ___________ usually visible in the ________ nymphal stage.

Early nymphs also have ______________

Answer 2

Hemimetabolous
Polyneopteran
Wings
Wing buds
Penultimate 
Proportionally large heads

Question 3

Disadvantages to moulting

Answer 3

Vulnerable to water loss and predation

Question 4

Rhodnius is a hemimetabolous _____________

Answer 4

Paraneopteran

Question 5

The number of developmental stages:

Answer 5

Can differ radically between different orders and individuals within the same species.

Locusts undergo typically 5 stages but can add extra stages in changing nutritional stages so they can grow larger

Question 6

The silk moth is a _______________ insect

Answer 6

Holometabolous/Endopterygote

Question 7

In the house fly, a typical ____________. The adult tissues are derived from cellular monolayers known as ____________

Answer 7

Holometabolous/endopterygote

Imaginal discs

Question 8

In 2002, an entire new order of insects was discovered: ___________

Answer 8

Mantophasmarodea
Typically wingless
Intermediate between mantis and stick insect

Question 9

In 2007, the ______ were demoted from being a separate order. Instead they were shown to be a family within the order __________ the ____________

Answer 9

Termites
Blattodea
Cockroaches

Termites may be paedomorphic cockroaches

Question 10

In the __________ the female retains the shape of the juvenile while the male develops into a winged adult

Answer 10

Mealy bug

Question 11

Hexapoda

Answer 11

All 6 legged Arthropods such as insects and entognathans: collembola (spring tail) and protura

Question 12

Apterygota

2 subs

Answer 12

True insects
Lack wings
Archaeognatha: 3 cerci, middle longer

Zygentoma: 3 cerci, equal length

Question 13

Pterygota

Answer 13

Paleoptera- lack advanced wing folding
True insects with wings
Some species may have secondary loss of wings
Most insects
Odonata- dragonflies, wings equal
Ephemeroptera- hind smaller than fore
Paleodictyoptera- 6 wings, including one small pair on the prothorax, extinct

Question 14

Neoptera

Answer 14

Endoterygota- nymphs resemble adults but lack wings eg Dermaptera- earwig- large clasping appendages

Dictyoptera: blattodea (cockroaches), mantodea, Orthoptera, phasmatodea

Paraneoptera: folded wings extend beyond abdomen inc Hemiptera