Scientific of mites

Dermatophagoides farinae

Size: Males 310µm, females 390µm, ( 1µ = 1 millionth of meter )

Weight: 3,4µg (= 3,4 millionth of gram)

Ages: 100 -120 Days

Increase: 30 - 60 eggs per female

Occurrences: Mattresses, pillows, curtains, upholsteries, floors

Dermatophagides pteronyssinus

Size: Males 250µm, females 350µm, ( 1µ = 1 millionth of meter )

Weight: 3,1µg (= 3,1 millionth of gram )

Ages: 60 - 120 Days

Increase: about 100 eggs per female

Occurrences: Mattresses, pillows, carpets, upholsteries, dogs, cats, bird nests