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The German cockroach (Blattella germanica), colloquially known as the croton bug, is a species of small cockroach, typically about 1.1 to 1.6 cm (0.43 to 0.63 in) [1] [2] long. In color it varies from tan to almost black, and it has two dark, roughly parallel, streaks on the pronotum running anteroposteriorly from behind the head to the base of ...
Allergies can be frustrating, and your home might be the culprit. ... “Cockroach protein can be in old dust piles in basements or garages, even if you do not have cockroaches,” says Dr. Brooks ...
A cockroach's cells divide only once each molting cycle (which is weekly, for the juvenile German cockroach [68]). Since not all cockroaches would be molting at the same time, many would be unaffected by an acute burst of radiation, although lingering and more [ clarification needed ] acute radiation would still be harmful.
Blattellinae is a subfamily of the wood cockroach family, Ectobiidae (formerly "Blattellidae"). It includes the global household pest Blattella germanica, the German cockroach, [1] and a number of endangered species. It contains about 70 genera. [2]
The ancestors of German cockroaches pestered people about 2,000 years ago far from Germany, a study found. Here’s how the critters achieved global domination. How one of the world’s most ...
Allergic rhinitis may be seasonal, perennial, or episodic. [9] Seasonal allergic rhinitis occurs in particular during pollen seasons. It does not usually develop until after 6 years of age. Perennial allergic rhinitis occurs throughout the year. This type of allergic rhinitis is commonly seen in younger children. [43]
German cockroach. The species can be easily distinguished by the dark longitudinal stripes that only occur in the German cockroach. In size, shape, and color, the amber wood cockroach is very similar to the german cockroach (Blattella germanica), which is regarded as a hygiene pest. The most noticeable difference is the uniformly brown pronotum ...
Allergies are caused by an oversensitive immune system, leading to a misdirected immune response. The immune system normally protects the body against harmful substances such as bacteria and viruses. Allergy occurs when the immune system reacts to substances that are generally harmless and in most people do not cause an immune response.