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Mites which colonize human skin are the cause of several types of itchy skin rashes, such as gamasoidosis, [51] rodent mite dermatitis, [52] grain itch, [53] grocer's itch, [53] and scabies; Sarcoptes scabiei is a parasitic mite responsible for scabies, which is one of the three most common skin disorders in children. [54]
Trombiculid mites are found throughout the world. In Europe and North America, they tend to be more prevalent in the hot and humid regions. In northern Europe, including the British Isles where they are called harvest mites, the species Neotrombicula autumnalis are found during the summer and autumn (in French, harvest mites are called aoûtat because they are common in August [19]).
These mites have three stages before adulthood; the egg stage, the larva stage, and the nymph stage. [5] They live for around 45 days on average, [11] and are eaten by insects and arachnids such as lacewings, ladybugs and other mites. [12] They reproduce asexually, with 3 generations per season, and are active from May to November. [13]
Invertebrates spread bacterial, viral and protozoan pathogens by two main mechanisms. Either via their bite, as in the case of malaria spread by mosquitoes, or via their faeces, as in the case of Chagas' Disease spread by Triatoma bugs or epidemic typhus spread by human body lice. Many invertebrates are responsible for transmitting diseases.
Sarcoptes is a genus of skin parasites, and part of the larger family of mites collectively known as "scab mites". They are also related to the scab mite Psoroptes, also a mite that infests the skin of domestic animals. Sarcoptic mange affects domestic animals and similar infestations in domestic fowls cause the disease known as "scaly leg".
The individual mites remain external to the epidermis within the follicle, but appear to be within the skin because they are below the general outer surface of the host. The mite Demodex canis is a common cause of demodicosis in dogs. Demodex mites are microscopic, cigar-shaped and have very short legs. These mites seem to feed on epidermal cells.
Lorryia formosa, commonly known as the yellow mite or the citrus yellow mite, [1] is a species of acariform mite. They are in the subfamily Tydeinae of the family Tydeidae . Commonly found on the foliage of citrus trees around the world, Lorryia formosa also associates with a variety of other plant types.
Aceria cynodoniensis, the bermudagrass mite, is widely distributed, but only infests bermudagrass (Cynodon dactylon) and its hybrids. It lives and develops under the leaf sheaths of its host plant. Infestations of the mite can cause destructive damage to bermudagrass turf and it is often regarded as a harmful pest.