Description and photos of dust mites
Content
About 150 species of dust mites are described in the scientific literature. They are called dermatophagoid, pyroglyphid. Dust mites or Dermatophagoides are ubiquitous. Cause people allergic reaction of varying severity, deterioration of health, bronchial asthma. The mite derm pteronyssinus, mite derm farinae (Mite Farina), Euroglyphus maynei is involved in the occurrence of a household allergy.
Description
Dust mite - arachnid extremely small size.It is impossible to notice it with the naked eye. Under the microscope, the legs, torso, and head are clearly visible. Size ranges from 0.1 to 0.5 mm. Body of convex shape, 8 pairs of limbs, head tilted down. Photos of dust mites are presented below.
The normal life cycle is 80 days. The female is extremely prolific, laying 60 eggs at a time. The optimum conditions for vital activity are humidity over 50%, air temperature from +18 to +30 degrees Celsius.
On a note!
Dust mite is a synanthropic creature that lives in a person’s dwelling, feeds on dead organic matter.
Habitats
If you carefully inspect your own home, dust can be identified almost everywhere. It is in these places that the mite lives. The most common:
- carpets;
- pillows;
- bedding;
- books;
- cushioned furniture;
- clothes;
- toys;
- curtains;
- interior items.
Tick-borne dermatophagus perinate in one year inhabits the pillow with numerous colonies of parasites. Studies have shown that for 10 years of use of the mattress, a large proportion of its mass consists of dust mites.
On a note!
There is no separate substance “dust”.Gray bloom, which can be found in any room on window-sills, furniture, carpets, is nothing like the waste products of microorganisms, human skin particles, small living microorganisms. The dust mite dwells everywhere, the less often the house is cleaned, the more of them.
On a note!
In 1 g of dust may contain several thousand ticks.
Do dust mites bite
On the Internet, you can often find photos of dust mite bites on the body. It looks like a numerous rash over the entire surface of the body or its individual sections. Dust mite Farina, pteronissinus mite are the main provocateurs of household and contact allergies, but such a reaction of the human immune system reacts in this way not to the bites of parasites. Bite dangerous pest is not capable of anatomically.
On a note!
Domestic dust mites do not pierce human skin, so we can confidently say that these creatures do not bite. They feed exclusively on dead organics - particles of human, animal skin. Excrement, getting on the skin, contribute to the exfoliation of the stratum corneum, which provides an abundance of food.
Feces contain digestive enzymes - Der f1 proteins, Der p1, P1 antigen. These components provoke the development of a local allergic reaction on the skin and the general one. The excrement is so small that when inhaling fall on the mucous membranes of the nose. Get into the respiratory tract. This is followed by an instantaneous reaction of the immune system, which is manifested by rhinitis, sneezing, coughing and other symptoms.
Signs of the presence of the parasite
There are dust mites in every home, but not all people have a strong reaction to their presence. It's all about the power of immunity, which inhibits or allows you to develop a response.
Interesting!
Studies by American scientists have shown that children who are in contact with pets, live in rural areas, suffer less from atopic dermatitis and bronchial asthma. These diseases are more characteristic of the urban population, which lives in more sterile conditions.
The most basic symptom is allergy. It manifests itself in the form of a rash on the skin or a deterioration of general well-being. The reaction is temporary and permanent, often turning into chronic diseases.
- Skin symptoms - redness, itching, rash. Increased after contact with allergens. In most cases after sleep.
- Dust book mite in large numbers lives in libraries, in homes where books have been idle for years on the shelves. For several years, a thick layer of dust accumulates, which speaks of the intense activity of the parasites. The paper mite is present in offices, especially in storerooms. In this case, the reaction of the body often manifests itself in the form of sneezing, cough, rhinitis, headache, weakness. Unpleasant symptoms disappear after a person leaves the premises.
- Carpet mites, as well as the inhabitants of soft toys, curtains, home furnishings more often provoke common signs of allergy - rhinitis, tearing, conjunctivitis, sneezing, coughing, difficulty breathing. Parasites contribute to the development of bronchial asthma, provoke its frequent attacks.
- Bed, mattress, feather mites can cause a local reaction on the skin, systemic.
If you are allergic to house dust, you may feel better when the person leaves the room or sleeps elsewhere. This situation is characterized by frequent manifestations of an allergic reaction,development of atopic dermatitis.
Main symptoms:
- skin rash;
- itching;
- rhinitis;
- cough without other signs of cold;
- lacrimation;
- conjunctivitis;
- headache;
- weakness;
- low immunity;
- frequent colds;
- atopic dermatitis;
- bronchial asthma;
- sneezing
Dust mite on the face contributes to the development of allergies, as well as acne, inflamed acne.
Methods of struggle
It is impossible to get rid of all parasites completely, methods of dealing with dust mites are aimed at reducing its number.
- Regular wet cleaning. Dust particles can appear on the furniture surface already 2 hours after the general cleaning. To reduce the risk of harmful effects of parasites on the human body, wet cleaning should be done at least twice a week.
- Ventilation. Parasites do not like lowering the temperature, fresh air. Frequent airing contributes to reducing the number of pests, and also eliminates the products of their vital activity. Airing need an apartment every day for at least 20 minutes.
- Regular washing. Dust mites die at 60 degrees Celsius.Bedding, clothes should be washed every 14 days. If the house has allergies, more often. It is recommended to hang the wash in fresh air, iron it with steam.
- Dry cleaning Once a season, mattresses, blankets and pillows should be provided for dry cleaning. If possible, replace the feather accessories with silicone. This filler is safe for humans, convenient, it does not start parasites.
- Vacuum killing. We are talking about new modern household appliances, where the dust is collected not in the bag, but in special filters. Older vacuum cleaners further disperse dust throughout the house, increasing the risk of developing unwanted symptoms.
Dust mites also dislike low temperatures. At -18 degrees Celsius die almost instantly. Stuffed toys should be regularly sent to the freezer. Pillows, mattresses, upholstered furniture to make in the winter on the street for at least half an hour.
Special means
Professional drugs to combat domestic dust parasites are available in a wide range. Their action is aimed at the destruction of ticks, prevention of re-infection.To improve efficiency, you should maintain order, cleanliness in the house, regularly wash things.
- ORECK ALLERGEN CONTROL CARPET CLEANER. Carpet cleaner comes in the form of a concentrated emulsion. Manufacturer USA. The active ingredient is the substance trichlormetaphos-3. Immediately before use, the concentrate is added to warm water, applied to carpets, and allowed to dry. Means is not required to be washed off, vacuumed. Price within 50 dollars.
- Acaricidal aerosol Polish production. Convenient spray can with 400 ml dispenser. There are several active components - benzyl benzoate, transpermetrin, pyriproxyfen. Destroys ticks at any stage of development. Sprayed on the surface, the exposure time - 7 months. The average price of the drug is 1700 rubles.
- EASY AIR. Another drug produced in Poland in the form of a spray. The volume of a bottle is 1 l. Acaricidal concentrate is sold in finished form, poured into a can with dispenser. Before use, shake well and spray onto the surface. Does not lose properties for about 6 months. The price of the drug is about 1,700 rubles.
- ACARIL ALLERSEARCH. Special concentrate that is added to the water when washing linen, bedding. Manufacturer USA. The volume of the bottle is 250 ml, enough for 12 washes.The tool is safe for health, does not allow molting linen, does not cause an allergic reaction. The active ingredients are tea tree oil, alcohols, methyl salicylate. The price of a professional drug is 2700 rubles.
- MILBIOL. It is produced in the form of a spray in Switzerland. Convenient bottle with dispenser. Volume 250 ml. Medium toxicity drug. After use, ventilate the area thoroughly. Designed to handle carpets, furniture in places where the largest accumulation of parasites. Price spray about 170 rubles.
When washing it is recommended to add a small amount of chlorine-containing detergent. The most affordable remedy is Whiteness. During wet cleaning in the house, you must first prepare the solution. Laundry soap, baking soda is added to the water.