In male cockroaches, sperms are stored in which part of the reproductive system?

Step-by-step solution

In male cockroach, sperms are stored in the seminal vesicles. The sperms are produced in testes, while the cockroach is still young, is brought by the vasa deferentia into the seminal vesicles for storage. The sperms in the seminal vesicles are glued together in the form of bundles called spermatophores.