The development of Periplanata americana is hemimetabolous.
Nymph:
(a) Nymph look very much like adult cockroaches, which are given no parental care.
(b) The hatching cockroaches are left to feed for themselves.
© They grow by moulting, comprises of 13 moults before it reaches an adult form.
(d) Last nymphal stage possesses wing pads but no wings.