pteronyssinus is especially important because its distribution is for all practical purposes worldwide.Ĭopyright Copyright © 2006 Phadia AB. Recent evidence shows that even these very general boundaries are blurring, and in many instances all 3 mite species may be highly relevant, causing widespread sensitization. In subtropical and tropical regions the Storage mite Blomia tropicalis is also a major source of allergens, co-existing with D. The most important House dust mites are Dermatophagoides pteronyssinus and (in drier areas) D. pteronyssinus can also act as a trigger factor for atopic dermatitis in sensitive patients.Ĭopyright Copyright © 2006 Phadia AB. House dust mites may cause the following symptoms in allergic patients: perennial-type asthma, rhinitis, and conjunctivitis, often with nocturnal or early morning episodes. Other mites in the Pyroglyphidae family share allergenic determinants with Dermatophagoides mites and are highly cross-reactive. 80% of mite-sensitive patients display IgE antibodies to Der p 1 and Der p 2. The most important allergenic proteins in D. It is more abundant in Europe than in America. pteronyssinus has worldwide distribution and prefers more humid climates. farinae are the two most important house dust mites and belong to the Pyroglyphidae family. Source: National Library of Medicine, MeSH 2006ĭ.
Species of European house dust mite, widely spread, belonging to the family pyroglyphidae. Version 2.71 LP16963-8 Dermatophagoides pteronyssinus Active Descriptions