How Do Cockroaches Mate?

How do roaches get pregnant?

Ever wonder how do cockroaches mate? Do they have sex to reproduce? If not then how do cockroaches reproduce? In case you wonder cockroaches are not asexual, they do require a mate to reproduce. The most interesting fact that female American one can produce one capsule per week after mating.


The study recently found that females one can reproduce without the male for years and have several generations of all-female young without needing a single male. Typically Roaches mating is interesting. Before it, they are engaged in courtship rituals which means creating a rotating atmosphere before doing. During their copulate, the one female secreted pheromones attracted by the male from a long distance and their mating occur.

After mating eggs from the female one put in the capsule called ootheca. When the eggs are ready to hatch, the mother cockroach drops it close to food and water source in rank place. Read the details of the cockroach flying details here.

Mating season:

This question can come to everybody’s mind that does they have any specific seasons for that. The answer is no. There are no distinct seasons for mating. But as it is nocturnal, they choose the night for their doing it. Several studies show that they generally mate once in a day. Before it, they engage in courtship rituals. Courtship behavior means creating romantic situations before copulate. Female send a chemical signal which plays a fundamental role in sexual behavior.

How Do Roaches Get Pregnant?

Roach gets pregnant after mating of male and female. This can happen in two ways. One way is a volatile sex pheromone is emitted by the female partner who can make a long-distance attraction and by this male is attracted. Another one is an aphrodisiac sex pheromone (or “aphrodisiac”) secreted by the male tergal glands whose main objective is to elicit female mounting.

How Do Roaches Reproduce?

After mating of male and female, roach produces egg cases which are called as oothecae. They will produce 9-10 oothecae in her lifetime and each egg sack contains 16 eggs. The eggs dark brown, symmetrically shaped, and about 5/16 inches long. The females lay their eggs within a day after it is formed and also noticed that they lay it near a food source or in a protected area. 

The length of the egg stage varies from 29 to 58 days. After 58 days, they are called nymphs. The nymph will mature within six to twelve months. Then a few molts occur and after 10 to 12 molts they become an adult. Use the most effective roach spray safe for pets to get rid of them as fast as possible.