|
Insect Morphology and SystematicsInsect Morphology and Systematicsprogressive provisioning
(e.g. bees) and
mass provisioning
(e.g.
Wasps)
v. Presence of special types of reproduction other than oviparity and viviparity.
*
Polyembryony:
Development of many individuals from a single egg. e.g. parasitic wasps.
*
Parthenogenesis:
Reproduction without male or without fertilization, e.g. aphids
*
Paedogenesis:
Reproduction by immature stages. e.g. certain flies.
8.
Complete metamorphosis:
More than 82 per cent of insects undergo complete
metamorphosis (
Holometabolous insects
) with the following four stages.
i.
Egg:
Inactive, inexpensive, inconspicuous and embryo develops inside.
ii.
Larva:
Active, feeds, digests, grows and store food.
iii.
Dostları ilə paylaş: |
|
|