<P> The predators of dust mites are other allergenic mites (Cheyletiella), Silverfish and pseudoscorpions . </P> <P> The average life cycle for a male house dust mite is 10--19 days . A mated female house dust mite can last up to 70 days, laying 60 to 100 eggs in the last 5 weeks of her life . In a 10 - week life span, a house dust mite will produce approximately 2,000 fecal particles and an even larger number of partially digested enzyme - covered dust particles . </P> <P> The mite's gut contains potent digestive enzymes (notably Peptidase 1) that persist in their feces and are major inducers of allergic reactions such as wheezing . The mite's exoskeleton can also contribute to allergic reactions . Unlike scabies mites or skin follicle mites, house dust mites do not burrow under the skin and are not parasitic . </P> <P> Severe dust mite infestation in the home has been linked to atopic dermatitis and epidermal barrier damage has been documented . </P>

What part of the dust mite contains the primary allergen
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