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Ten facts about Mites
Half of allergic patients suffer mite allergy because this animals are widespread among humid and mild temperature areas.
- They are so tiny that a microscope is needed to actually see them: ther are ten time smaller than a regular ant (200 to 400 microns)
- Mites are linked to spiders, not to insects, although they have only 4 pairs of legs.
- They last from three months (males) to 5 months (females).
- 25 to 50 eggs can be laide by a single mite during its lifespan.
- 1 dust gram may contain from 100 to 500 mites.
- And a mattress may house 2 million of them.
- They develop quite easily in environments with high humidity (over 70%) and temperatures at least 20-22°C.
- More than 50.000 mites species have been described, but only 8 of them are important in human allergy.
- Dermatophagoides pteronyssinus, dermatophagoides farinae and blomia tropicalis are considered to be house dust mites.
- The other 5 are known as storage mites because they are to be found mainly in warehouses and and barns
Last updated: april 22nd, 2014