The genetic makeup of the German cockroach was nearly identical to its Asian counterpart (Blattella asahinai) from the Bay of Bengal. More specifically, over 80% of their samples matched the Asian ...

They confirmed that the German cockroach — a species found worldwide — actually originated in southeast Asia, likely evolving from the Asian cockroach around 2,100 years ago. Scientists have ...

They confirmed that the German cockroach — a species found worldwide — actually originated in southeast Asia, likely evolving ...

But a more recent theory posits that the species could be native to Asia because it is closely related to the Asian cockroach (Blattella asahinai), whose habitat ranges from Okinawa to Southeast Asia.