The average lifespan of a common American cockroach is about a year. However, its female counter part can live up to more than 600 days. All cockroaches go through 3 stages throughout their life, egg, nymph and finally adult.
Cockroach life cycle
The female cockroach will produce egg cases 3 to 7 days after mating, these cases are also known as ootheca. After producing the ootheca, the female cockroach will use her saliva to stick it against a surface in a hidden area.
After about a month, the nymphs will emerge from the ootheca. As they grow, they will go through multiple skin shedding which is also known as molting. The nymph will looks more and more like an adult cockroach with each molting. After going through this process for about 9-12 times , the nymph is finally an adult.
As the cockroach reaches its adult stage, it will have wings and be able to reproduce. The life span of cockroaches also depends on the species. For example, the German cockroach can only live up to 200 days while the American cockroach can live up to a year.
Out of these 3 stages, you will usually only notice the adult cockroaches. However, a professional is able to identify all of the 3 stages in your house, so if you are worried about having a cockroach infestion you can call us in to help you.