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.

Both Chinese ships that had initially given chase ... I was introduced to more of the Sierra Madre's inhabitants: huge cockroaches and rats. "I estimate there are five to six hundred rats and ...

Wang sells his cockroaches for use in Chinese medicine, and the price of the roaches has rapidly increased in recent years - a pound of dried cockroaches used to cost around $2 and now costs ...

Through DNA analysis, Vargo and his colleagues found that the species' closest relative is the Asian cockroach. The German roach evolved from its Asian cousin about 2,100 years ago to adapt to ...