Living With Blatella

Female German Cockroach with Ootheca (egg case) protruding from her abdomen

Three adventive (non-native) species of cockroach in the Genus Blatella can be found in North America. The most widespread is the German cockroach, a common pest ubiquitous throughout the US. The German cockroach is considered a peridomestic species; It only thrives in close association with humans and human structures. Blatella vega, the field cockroach was introduced into California from Asia. It is common in…

Source: Living With Insects Blog