The German cockroach
pheromone (3S,11S)-(+)-15 belongs to this category.
In the presence of German cockroach
, pesticides used in the form of aerosol sprays (61%) was by far the most commonly practiced pest management strategy by the respondents or a member of their household; building maintenance such as sealing cracks and crevices was the least approach practiced (Table 1).
Abstract: Two local and three imported entomopathogenic nematodes (EPNs) were tested for control of the American cockroach (Periplaneta americana) and the German cockroach
The infestation in the catering establishments and houses was primarily of German cockroach
Juniper flake board was significantly repellent to the closely related German cockroach
in laboratory studies (Appel and Mack, 1989) and may also be repellent to Asian cockroaches.
Both the black Oriental cockroach--presumably the kind I encountered off Thailand--and the brownish German cockroach
(or steam fly)are nocturnal and will flourish happily in areas which don't operate around the clock and are not inspected regularly 'out of hours'.
One of the most widely geographically spread and most difficult to control is the German cockroach
(Blattella germanica), and for this reason it is a good standard and indicative test organism.
Every sample contained German cockroach
antigen before and after heating, the investigators reported at the annual meeting of the American Academy of Allergy Asthma, and Immunology They found mouse and rat urinary proteins in 88% of both baked and unbaked samples.
A female German cockroach
reproduces four to eight times in its life cycle, laying seven to eight egg cases, each case containing 35 to 40 eggs.
A German cockroach
can survive a month or more without food but less than two weeks without water.
This brings us to the most troublesome and widely distributed roach--the German cockroach
Researchers found that the German cockroach
- the most common in Britain - has a particular passion for curry.
The most common cockroach species in the United States are the American cockroach (Periplaneta americana), the German cockroach
(Blattella germanica), and the Oriental cockroach (Blatta orientalis).
One common household species, the German cockroach
, even has a slick oil coating that enables it to slip through micro-thin cracks in walls.
but the so called German cockroach
(Blattella germanica) is the most common.