We inquired from participants if they had seen the cockroach in their homes and those who responded affirmatively were further asked if they would be interested in participating in a 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.
The finding was made by scientists in the US studying one of the most common, and most hated types of cockroach - the blattella germanica, or German cockroach
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.
Researchers found that the German cockroach
- the most common in Britain - has a particular passion for curry.
One common household species, the German cockroach
, even has a slick oil coating that enables it to slip through micro-thin cracks in walls.
Brooks (1957) found that development rate of German cockroach
, Blattella germanica L.
Millions of dollars have been spent on developing better pesticides, but more resistant cockroach strains have emerged, he said, citing certain strains of the German cockroach
-- known carriers of pathogenic micro-organisms -- that have developed resistance to most common pesticides.
asahinai is a close relative of the German cockroach
These exist in three mosquito species and the German cockroach
The important sources of German cockroach
allergens as determined by RAST analyses.
A comparison of three insecticide resistance detection methods for the German cockroach
population exhibits allergic sensitization to the German cockroach
, based on rates of positive skin tests from the Third National Health and Nutrition Examination Survey (NHANES III) (Arbes et al.
Researchers have identified a gene mutation associated with kdr in 83 percent of German cockroach
field populations surveyed.