Bug Identifier
Dust Mite
Community identification

Dust Mite

Dermatophagoides pteronyssinus

Order & Family
Order: Sarcoptiformes, Family: Pyroglyphidae
Size
0.2 to 0.3 millimeters
See this bug in the Encyclopedia

Natural Habitat

Indoors, specifically in household dust, mattresses, carpets, upholstered furniture, and bedding.

Diet & Feeding

They feed primarily on shed human and animal skin flakes (dander), as well as molds and bacteria.

Behavior Patterns

They thrive in warm, humid environments (above 70% humidity). They do not bite or burrow into skin, but reproduce rapidly in favorable indoor conditions.

Risks & Benefits

Risks include triggering allergic reactions, asthma attacks, and eczema flare-ups due to their waste products and decomposing bodies. They do not transmit diseases or bite humans directly.