They have been proven to spread bacteria like salmonella. In addition, many asthmatic individuals are allergic to cockroaches. It is pale brown in color and has two dark stripes on the area immediately behind the head. The German cockroach is the most prolific of the common cockroaches. There may be as many as 3 or 4 generations produced per year.
Cockroaches develop from eggs, which are contained inside a capsule.
There may be as many as 48 eggs in one capsule. The adult female carries this egg capsule with her until the young are ready to leave the capsule. The young can be differentiated from the adults by their size and the fact that they lack wings. German cockroaches are one of the most challenging insects to control. The key to control is properly placing insecticides where the cockroaches will contact them.