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

In male cockroaches, the sperms are stored in the seminal vesicles and are glued together in the form of bundles called spermatophores which are discharged during copulation.Testes produces sperm.Vas deferens helps in transport of sperm.Mushroom gland help in nourishment of sperm as well as forming innermost layer of spermatophore.