Sexual reproduction in cockroach?

Cockroaches reproduce sexually, meaning they require both a male and a female to reproduce. The male cockroach produces sperm, which is transferred to the female during mating. The female cockroach then stores the sperm in a specialized structure called the spermatheca.

After mating, the female cockroach can lay eggs without the need for further fertilization. She produces egg cases, called oothecae, which contain multiple eggs. The ootheca is usually dropped or attached to a suitable surface, such as cracks or crevices, where it provides protection for the developing eggs.

The eggs inside the ootheca undergo embryonic development and eventually hatch into nymphs. Nymphs are immature cockroaches that resemble adults but lack wings and reproductive organs. They go through a series of molts, shedding their exoskeleton and growing larger with each molt. As they molt, they develop wings and reproductive organs, eventually reaching adulthood.

Overall, sexual reproduction in cockroaches involves the transfer of sperm from the male to the female, followed by the production of eggs by the female and the subsequent development of nymphs into adult cockroaches.