Bedbugs are reddish-brown, oval-shaped, with a segmented body. They are easily mistaken for cockroach nymphs, especially baby German cockroaches, because they are reddish-brown and wingless.

The most globally dispersed cockroach species–the German cockroach–is a resilient domestic pest. “They’re just basically the perfect kind of species to take over,” says Warren Booth ...

The German cockroach is one well-adapted bug. All our attempts to wipe it out is only making it stronger. It's evolved to avoid poison bait laced with glucose — something few living things do.

Crack-and-crevice treatments were simulated in the presence and absence of German cockroach [Blattella germanica (L.)] feces to evaluate its effect on insecticide efficacy toward the German cockroach.