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Trombidiformes Temporal range: Devonian–present PreꞒ Ꞓ O S D C P T J K Pg N
Trombidium holosericeum
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Arthropoda
Subphylum:	Chelicerata
Class:	Arachnida
Superorder:	Acariformes
Order:	Trombidiformes
Suborders
See text

Trombidiformes is a large, diverse order of mites.

Taxonomy

In 1998, Trombidiformes was divided into the Sphaerolichida and the Prostigmata. The group has few synapomorphies by which it can be defined, unlike the other major group of acariform mites, Sarcoptiformes. Its members include medically important mites (such as Demodex, the chiggers, and scrub-itch mites) and many agriculturally important species, including the spider mites (Tetranychidae). The superfamily Eriophyoidea, traditionally considered members of the Trombidiformes, have been found to be basal mites in genomic analyses, sister to the clade containing Sarcoptiformes and Trombidiformes.

The 2004 classification retained the two suborders, comprising around 125 families and more than 22,000 described species.

In the 2011 revised classification, the order now contains 151 families, 2235 genera and 25,821 species, and there were another 10 species with 24 species that present only as fossils. These 151 families were classified into the same two major suborders：

• Sphaerolichida OConnor, 1984: Now contains only two families;
• Prostigmata Kramer, 1877: Still the biggest branch in this taxon, with four infraorders and 40 superfamilies.

See also

e.g. Hydrachnidae

• Hydrachna

e.g. others:

• Alycus
• Bdellodes
• Eupodes

References

1. ^ Heather Proctor (August 9, 1998). "Trombidiformes. Trombidiform mites". Tree of Life Web Project. Retrieved June 9, 2010.
2. Arribas, Paula; Andújar, Carmelo; Moraza, María Lourdes; Linard, Benjamin; Emerson, Brent C; Vogler, Alfried P (2020-03-01). Teeling, Emma (ed.). "Mitochondrial Metagenomics Reveals the Ancient Origin and Phylodiversity of Soil Mites and Provides a Phylogeny of the Acari". Molecular Biology and Evolution. 37 (3): 683–694. doi:10.1093/molbev/msz255. hdl:10261/209118. ISSN 0737-4038. PMID 31670799.
3. David Evans Walker (2004). "Hidden in Plain Sight: Mites in the Canopy". In Margaret Lowman, H. Bruce Rinker (ed.). Forest Canopies. Physiological Ecology Series (2nd ed.). Academic Press. pp. 224–241. ISBN 978-0-12-457553-0.
4. ^ Zhang, Zhi-Qiang; Fan, Qing-Hai; Pesic, Vladimir; Smit, Harry; Bochkov, Andre V.; Khaustov, A. A.; Baker, Anne; Wohltmann, Andreas; Wen, Tinghuan; Amrine, James W.; Beron, P.; Lin, Jianzhen; Gabrys, Grzegorz; Husband, Robert (2011). "Order Trombidiformes Reuter, 1909" (PDF). In Zhang, Z.-Q. (ed.). Animal biodiversity: An outline of higher-level classification and survey of taxonomic richness. Magnolia Press. pp. 129–147. doi:10.11646/zootaxa.3148.1.24. ISBN 978-1-86977-850-7. ISSN 1175-5334. {{cite book}}: |journal= ignored (help)

External links

• Media related to Trombidiformes at Wikimedia Commons
• Data related to Trombidiformes at Wikispecies

v t e Acari (ticks and mites)
Acariformes	Oribatida Brachypylina Enarthronota Holosomata Mixonomata Palaeosomata Parhyposomata Sarcoptiformes Endeostigmata Psoroptidia Trombidiformes Prostigmata Sphaerolichida
Parasitiformes	Holothyrida Allothyridae Holothyridae Neothyridae Ixodida (ticks) Argasidae Ixodidae Nuttalliellidae Mesostigmata Monogynaspida Sejina Trigynaspida Opilioacariformes Opilioacaridae

• Trombidiformes
• Arachnid orders