incomplete metamorphosis

(redirected from heterometabolous metamorphosis)
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in·com·plete met·a·mor·pho·sis

the development of a nymph into the imago, which in many respects resembles the former; characteristic of more primitive insect orders, such as Heteroptera (true bugs), Orthoptera (locusts, grasshoppers), and Blatterria (roaches).

incomplete metamorphosis

n.
A type of metamorphosis in which the pupal stage is lacking and the adult insect has the same general body plan as the immature form. Also called hemimetabolism.

incomplete metamorphosis

a process undergone by certain insects whereby the young hatch in the adult form though they lack mature sexual organs and there is no pupal stage.