Trombidiidae
Family of mites From Wikipedia, the free encyclopedia
Trombidiidae, also known as red velvet mites, true velvet mites,[2] or rain bugs, are small arachnids (eight-legged arthropods) found in plant litter and are known for their bright red color.
| Trombidiidae Temporal range: | |
|---|---|
| |
| Trombidium sp. | |
| Scientific classification | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Arthropoda |
| Subphylum: | Chelicerata |
| Class: | Arachnida |
| Order: | Trombidiformes |
| Superfamily: | Trombidioidea |
| Family: | Trombidiidae Leach, 1815[1] |
While adults are typically no more than 4 mm (0.16 in) in length, some species can grow larger and the largest, including the African Dinothrombium tinctorum and Indian Trombidium grandissimum, may exceed 12 mm (0.47 in).[2][3][4] This also makes them the largest mites, if disregarding ticks engorged after feeding;[5] unlike those, D. tinctorum and T. grandissimum are harmless to humans.[3][4]
Their life pattern is in stages similar to other members of the Prostigmata: egg, pre-larva, larva, protonymph, deutonymph, tritonymph and adult (male or female). They usually have only one breeding cycle per year.[6]
They are active predators as grown adults. As larvae they are often parasites of insects[7] and other arachnids.[8] This lifestyle is typical of the Parasitengona.[9]
One well-known species from Europe, Asia, and North Africa is Trombidium holosericeum.[10] The systematics of this group has been in flux and many former subfamilies of this are now raised to families within the Trombidioidea.[6][11]
List of genera
According to Joanna Makol[12]
- Trombidiinae Leach, 1815
- Allothrombium Berlese, 1903 synonyme Corethrothrombium Oudemans, 1928 & Mongolothrombium Feider, 1973
- Andinothrombium Makol, 2007
- Andrethrombium Makol, 2007
- Arknotrombium Haitlinger, 2007
- Azaritrombium Saboori, Bagheri & Haddad, 2005
- Caenothrombium Oudemans, 1927
- Calctrombidium Haitlinger, 2003
- Clinotrombium Southcott, 1986
- Darjeelingia Makol, 2007
- Dinothrombium Oudemans, 1910
- Dolichothrombidium Feider, 1945
- Iranitrombium Saboori & Hajiqanbar in Saboori, Hajiqanbar & Irani-nejad 2003
- Mesothrobium Hirst, 1926 synonyme Austrothrombium Womersley, 1934
- Monotrombium Zhang in Zhang & Norbakhsh 1995
- Oskootrombium Saboori, Bagheri & Haddad 2006
- Paratrombium Bruyant, 1910
- Pollicotrombium Southcott, 1986
- Robauxthrombium Makol, 2007
- Ronaldothrombium Makol, 2007
- Trombidium Fabricius, 1775 synonyme Kaszabothrombium Fieder, 1973
- Variathrombium Robaux, 1969
- Wohltmannella Makol, 2007
- Xenothrombium Oudemans, 1927
Human use
The oil from the red velvet mite Trombidium grandissimum is used in traditional Indian medicine to treat paralysis.[13][14]
References
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