What type of development occur in Periplaneta americana ? Write about

1.	What type of development occur in Periplaneta americana ? Write about nymphs.
Answer» The development of Periplaneta americana is hemimetabolous. Nymph: (i) Nymph look very much like adult cockroaches, which are given no parental care. (ii) The hatching cockroaches are left to feed for themselves. (iii) They grow by moulting, comprises 13 moults before it reaches an adult form. (iv) Last nymphal stage possesses wing pads but no wings.

What type of development occur in Periplaneta americana ? Write about nymphs.

Answer»

The development of Periplaneta americana is hemimetabolous.

Nymph:

(i) Nymph look very much like adult cockroaches, which are given no parental care.

(ii) The hatching cockroaches are left to feed for themselves.

(iii) They grow by moulting, comprises 13 moults before it reaches an adult form.

(iv) Last nymphal stage possesses wing pads but no wings.