Life Cycle of an Arthropods

Question 1

Egg- Larva/maggot/grub- pupa- nymph- adult

Question 2

segmentation stage

Answer 2

egg

Question 3

feeding and growth stage

Answer 3

Larva/maggot/grub

Question 4

Quiscent (non-feedint and immobile)

Answer 4

pupa

Question 5

looks like the adult but not capable of reproduction

Answer 5

nymph

Question 6

Reproductive stage

Answer 6

Adult

Question 7

young adult

Answer 7

imago

Question 8

periodic shedding or moulting of exoskeleton

Answer 8

Ecydess

Question 9

stage between molts

Answer 9

Stadia

Question 10

form of the stadium

Answer 10

Instar

Question 11

3 types of larva

Answer 11

✓ polypod
✓ oligopod
✓ apodous

Question 12

with head, 3-segmented thorax with legs and abdominal legs (complete)

Answer 12

polypod

Question 13

with head, 3 pairs of thoracic legs but no abdominal legs

Answer 13

oligopod

Question 14

with no legs on the thorax and abdomen (no legs)

Answer 14

apodous

Question 15

3 types of pupa

Answer 15

✓ exarate
✓ obtectate
✓ coarctate

Question 16

wings and legs free from body and can be seen externally
e.g BEETLES

Answer 16

Exarate

Question 17

wings and legs bound to body by moulting fluid but still visible externally
e.g MOSQUITO

Answer 17

obtectate

Question 18

last larval skin retained; hardened skin (puparium) encloses pupa hence it can not be seen externally
e.g Musca, Oestrus

Answer 18

Coarctate