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House Dust Mites

Dermatophagoides farinae
 

  Off White - Tan
Color:
Legs: 8
Shape: Bean shaped
Size: 1/75th of an inch
Antennae: False
Region:  
 
 

 

House dust mites have received much attention in the early 1990s and again recently. The house dust mite is nearly impossible to see without magnification and is named for the fact that they feed on dead skin shed by humans as well as other protein materials.

Habits

House dust mites feed on dander (dead skin which is shed) from humans and animals. They may also feed on protein based foodstuffs, preferring dried products over products with moisture. Females lay up to 80 eggs and there are several stages of immatures. Populations can explode during humid months as mites are excellent at absorbing moisture from the air.

Habitat

The most common area for finding mites is in the bed due to abundance of dander. House dust mites may also be found in living areas especially carpet, furniture, and clothing. Several home test kits are available to test for dust mites.

Threats

 

People may be allergic to house dust mite cast skins and droppings. These reactions will not be a rash type of reaction but rather a respiratory constriction, a common symptom of asthma. Itchy, watery eyes may also be symptoms. Approximately 50-80% of asthmatics may have symptoms due to house dust mites.

 

Because carpenter ants require a water source, eliminate sources of moisture or standing water. Keep tree branches and other plants cut back from the house. Sometimes pests use these branches to get into your home. Make sure that there are no cracks or little openings around the bottom of your house. Sometimes pests use these to get into your home. Make sure that firewood and building materials are not stored next to your home. Pests like to build nests in stacks of wood.

 

Prevention:

  • Frequently change bed linens. If house dust mites are a serious problem, mattress encasement with a cover tested for house dust mites may be helpful
  • Vacuum areas frequently using a HEPA filter vacuum
  • Keep humidity low when possible; heating or freezing infested fabric may help
  • If asthmatic, avoid playing with children or animals on a carpeted area
  • This is not a pest which can be controlled easily; a professional pest management firm can inspect and identify mites in living areas and provide further guidance on control. There are very few products available for the control of house dust mites.

 

MSDS (Material Safety Data Sheet) & Product Label

Information from National pest magagement Association

 

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