Baby cockroaches are called nymphs. As they grow, they'll shed and get bigger, and each time they shed is an instar stage - first instar, second instar, etc. read more
The most common cockroach is the German cockroach. A female German cockroach can produce up to 40 eggs at a time. From egg to an adult, the cockroach has an average life span of about 100 days. read more