A small, brown, common indoor cockroach found worldwide.
- Blatella germanica, order Dictyoptera
- The two smaller cockroaches ranging in size from ½ to 5/8 inch are the German cockroach and the brownbanded cockroach.
- A type of small cockroach named the German cockroach didn't exist in Shanghai until the 1980s.
- Researchers earlier identified the courtship chemicals used by other cockroach species, but the romance scent of the German cockroach remained elusive.
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