Biology:Trombidiidae

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Short description: Family of mites

Trombidiidae
Temporal range: Palaeogene–present
Trombidium.spec.1706.jpg
Trombidium sp.
Scientific classification e
Domain: Eukaryota
Kingdom: Animalia
Phylum: Arthropoda
Subphylum: Chelicerata
Class: Arachnida
Order: Trombidiformes
Superfamily: Trombidioidea
Family: Trombidiidae
Leach, 1815[1]

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.

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

Dry Trombidium in a Chhattisgarh market

The oil from the red velvet mite Trombidium grandissimum is used in traditional Indian medicine to treat paralysis.[13][14]

References

  1. ↑ Leach, 1815 : A tabular view of the external characters of four classes of animals, which Linné arranged under Insecta; with the distribution of the genera composing three of these classes into orders, and descriptions of several new genera and species. Transactions of the Linnean Society of London, vol. 11, p. 306–400.
  2. ↑ 2.0 2.1 "Family Trombidiidae - true velvet mites - BugGuide.Net". BugGuide. https://bugguide.net/node/view/2419. 
  3. ↑ 3.0 3.1 Maake, P. (2015). "Velvet mites (Family Trombidiidae: Dinothrombium spp.)". ARC-Plant Protection Research. https://www.researchgate.net/publication/281857375_Velvet_mites_Family_Trombidiidae_Dinothrombium_spp. 
  4. ↑ 4.0 4.1 De, Sayantan (2020). "Red velvet mite (Trombidium grandissimum) and its extreme strategies for survival". Species 21 (67). 
  5. ↑ Schmidt, J.O.; Schmidt, L.S. (2022). "Big, bad, and red: Giant velvet mite defenses and life strategies (Trombidiformes: Trombidiidae: Dinothrombium)". Journal of Arachnology 50: 175–180. doi:10.1636/JoA-S-21-019. 
  6. ↑ 6.0 6.1 Zhang, Zhi-Qiang (1998) Biology and ecology of trombidiid mites (Acari: Trombidioidea) Experimental & Applied Acarology 22:139–155 PDF
  7. ↑ L. Conradt, S. A. Corbet, T. J. Roper, E. J. Bodsworth (2002) Parasitism by the mite Trombidium breei on four U.K. butterfly species. Ecological Entomology 27(6):651–659
  8. ↑ Durkin, Emily S.; Cassidy, Steven T.; Gilbert, Rachel; Richardson, Elise A.; Roth, Allison M.; Shablin, Samantha; Keiser, Carl N. (2021-12-10). "Parasites of spiders: Their impacts on host behavior and ecology". The Journal of Arachnology 49 (3). doi:10.1636/JoA-S-20-087. ISSN 0161-8202. https://bioone.org/journals/the-journal-of-arachnology/volume-49/issue-3/JoA-S-20-087/Parasites-of-spiders--Their-impacts-on-host-behavior-and/10.1636/JoA-S-20-087.full. 
  9. ↑ "Parasitengona - velvet mites (including chiggers) & water mites". https://bugguide.net/node/view/729496. 
  10. ↑ Mąkol, J.; Wohltmann, Andreas (2000). "A redescription of Trombidium holosericeum (Linnaeus, 1758) (Acari: Actinotrichida: Trombidioidea) with characteristics of all active instars and notes on taxonomy and biology". Annales Zoologici 50 (1): 67–91. 
  11. ↑ Makol, Joanna (2007) Generic level review and phylogeny of Trombidiidae and Podothrombiidae (Acari: Actinotrichida: Trombidioidea) of the world. Annales Zoologici 57(1): 1–194
  12. ↑ Makol, 2007 : Generic level review and phylogeny of Trombidiidae and Podothrombiidae (Acari: Actinotrichida: Trombidioidea) of the world. Annales Zoologici (Warsaw), vol. 57, n. 1, p. 1-194.
  13. ↑ Oudhia, P. 1999b. Traditional medicinal knowledge about red velvet mite Trombidium sp. (Acari: Trombidiidae) in Chhattisgarh. Insect Environment 5(3):113.
  14. ↑ Reddy, T. Karnakar (24 June 2015). "Rare breed of insects in huge demand - The Hindu". The Hindu. https://www.thehindu.com/news/national/telangana/rare-breed-of-insects-in-huge-demand/article7349042.ece. 

Wikidata ☰ Q853453 entry



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