Pyroglyphidae

Definition

A family of non-parasitic mites in the order Sarcoptiformes (suborder Astigmata), commonly known as dust mites. Members inhabit diverse microhabitats including human dwellings, animal nests and burrows, and stored products under humid conditions. The family includes medically significant genera such as Dermatophagoides and Euroglyphus, whose fecal pellets and body fragments are major indoor allergens.

Etymology

From Pyroglyphus (type genus, from Greek pyr- 'fire' + glyph- 'carving') + -idae (family suffix)

Example

Dermatophagoides pteronyssinus, a pyroglyphid mite, thrives in mattress dust and is a primary trigger for allergic asthma in temperate climates.

Synonyms

• dust mites (vernacular, collective)
• house dust mites (vernacular, subset)

Related Terms

• Dermatophagoides
• Euroglyphus
• Sarcoptiformes
• Astigmata
• acarology
• indoor allergen
• guanine
• mite feces

Usage Notes

Pyroglyphidae is distinguished from parasitic mite families (e.g., Sarcoptidae, Psoroptidae) by its non-parasitic lifestyle and association with detrital habitats. The vernacular 'dust mites' properly refers to pyroglyphids plus some related families (e.g., Glycyphagidae, Echimyopodidae), but in medical contexts often implies Pyroglyphidae specifically. Subfamily-level classification includes Dermatophagoidinae and Pyroglyphinae.