The German roach is the most common of the 70 different cockroach species in the US. For 250 years, scientists didn't know where it came from and how it managed to spread to every continent on ...

German cockroaches (Blattella germanica), in particular, are among the most common household pests worldwide. Chances are, if you see a light brown coloured roach with two dark stripes on its back ...

And the revelations are gut punches. German cockroaches evolved in India? Scientists sampled DNA from 281 German cockroaches from 17 countries across all six human-inhabited continents.

*Refers to the latest 2 years of omaha.com stories. Cancel anytime. DALLAS — They're six-legged, hairy home invaders that just won't die, no matter how hard you try. Cockroaches are experts at ...

American cockroaches, which like hot, humid conditions and have fully developed wings, and German cockroaches, implicated in outbreaks of illness and allergic reactions in many people, are the two ...