The pest cockroach of genus Blatta is also called _____.
Oriental cockroach
Oriental cockroach is the common name of Blatta orientalis, wherein Blatta is the name of the Genus and orientalis is the species name. It is black in colour measuring around 3 cms in length. The males possess evidently short wings and the females possess what are known as vestigial wings which are dysfunctional altogether. This is also why the females are known as black beetles.