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Giant Madagascan Hissing Cockroach

Order:

Blattodea

Family:

Blaberidae

Group:

Gromphadorhina

Young:

Nymphs

Lifespan:

Average 18 months

Distribution:

Madagascar and Africa.

Habitat:

Anywhere and everywhere

Diet:

Decaying organic matter

Conservation Status:

Least Concern
Facts

The Madagascar Hissing Cockroach Gromphadorhina portentosa, also known as Hissing roach or simply Hisser, is one of the largest species of cockroach, reaching 4 to 5 inches at maturity. They are excellent climbers and can easily scale smooth glass.

Males can be readily distinguished from females by their thicker, hairier antennae and the pronounced "horns" on the pronotum. Females carry the ootheca (egg case) internally, and release the young nymphs only after the eggs have hatched. As in some other wood roaches, the parents and offspring will commonly remain in close physical contact for extended periods of time.

 

Did you know?

Unlike most cockroaches, they are wingless (though this is also true of some other wood-dwelling roaches).