House dust mites (Dermatophagoides pteronyssinus) Science Image

Ref: 80017887



Dust mites. Coloured scanning electron micrograph (SEM) of house dust mites (Dermatophagoides pteronyssinus). Millions of dust mites inhabit the home, feeding on shed skin cells. They mainly live in furniture, and are usually harmless. However, their excrement and dead bodies may cause allergic reactions in susceptible people. Magnification x217 at 10cm wide.