| DESCRIPTION |
 |
These roaches
are usually smaller (about 6 to 15 mm) than the
Blattidae. Familiar species are the German cockroach (Blatella germanica) and the brown-banded cockroach (Supella longipalpa).
Identification
Females do not have the 7th abdominal sternum divided
and males have asymmetrical terminalia which bear smaller styles than in
the
Blattidae.