The Madagascar hissing cockroach even begins its life in an unusual manner. Females create a cocoon-like egg case called an ootheca and carry their eggs (and neonatal nymphs) inside their bodies.

Egg casings: Cockroach eggs are protected by capsules called ootheca. Once the eggs hatch, the ootheca is left behind. Colors vary from black-brown to amber to reddish-black. Visible damage ...