Another problem in controlling German cockroaches is the nature of their population behaviour.
2.
The German cockroach likes spaces that are less than three-sixteenths of an inch wide.
3.
The roach that most people encounter is the German cockroach.
4.
The method works well with the American cockroach, but less so with the German cockroach.
5.
Nonpoisonous traps can be effective against German cockroaches, but they are rarely enough when used alone.
6.
Gregarious German cockroaches show different behavior when reared in isolation from when reared in a group.
7.
The German cockroach is about half an inch long with two brown stripes high on the back.
8.
Though nocturnal, the German cockroach occasionally appears by day, especially if the population is crowded or has been disturbed.
9.
However, the Asian cockroach is attracted to light and can fly rather like a moth, while the German cockroach cannot.
10.
Some species, such as the gregarious German cockroach, have an elaborate social structure involving common shelter, social dependence, information transfer and kin recognition.
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