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(Enlarged) image of a mite

What they are - biological definition

Mite is the common name for approximately 30,000 tiny, tick-like arachnid species with their head, thorax, and abdomen united in a segmented body, but much smaller in size and impossible to see with the naked eye.


Still in the form of larva, the mites can have three pairs of paws. In adulthood, this number increases to four. It has mouth structure adapted for drilling. Like most arachnids, mites breathe through tracheas (small tubes that open into the body's surface layer) and live in both terrestrial and aquatic environments.

Types of Mites

Among the most important mites is the red mite and the scabies mite. There are also follicle mites, which infect the human hair follicles and sebaceous glands.

Among the animals we can mention the bird mites, which infect the skin of these animals, the chickens that attack the poultry, and may even produce dermatitis in humans.

With regard to mites that live in aquatic environment, there are freshwater species in rivers and lakes.

Other common mites include the well-known red spiders or spider mites that form webs, feed on leaves and destroy many types of plants.

Allergy Cause

The bodies of dead mites and their droppings become mixed with dust inside the houses. This material can cause allergies in humans when inhaled or even in contact with the skin.

Scientific classification

Domain: Eukariota

Animal Kingdom

Sub-Training: Metazoa

Phylum: Arthropoda

Subphylus: Chelicerata

Class: Arachnida

Order: Acarina