Dermatophagoides farinae

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Dermatophagoides farinae Hughes - (American housedust mite)

This dust mite is common in houses and has a world-wide distribution. Its fecal pellets contain digestive enzymes which can cause allergies and asthma once they get into the air and are inhaled. World-wide, many million people are affected. The mites are closely associated with the human environment and are rarely found in other places. They inhabit matresses, carpets and upholstery. Most environments and poor ventilation promote mite populations.

The mites feed mainly on microscopic organic particles shed by the human skin. They can be controlled with acaricides. However, this involves human health hazards and can result in the development of pesticide resistant mites.

The adult is about 0.2-0.4 mm large and its life cycle lasts for around 1 month. The mite has a similar biology as the related species Dermatophagoides pteronyssinus and both species might occur together in the same environment.

Vernacular names
• Deutsch: Amerikanische Hausstaubmilbe
• English: American housedust mite

For details see the respective page in Wikipedia.