Trhypochthonius

Trhypochthonius tectorum, copyright Biodiversity Institute of Ontario.

Belongs within: Desmonomata.

Trhypochthonius is a cosmopolitan genus of mites found in peatlands, litter and moss.

Characters (from Balogh & Balogh 1992): Bothridial sensillus present. Notogaster without differentiated long setae. Epimeral setal formula 3-1-3-3. Genital and anal plates of macropyline type, large, occupying entire ventral side posterior to epimeres; ten pairs of genital setae, genital plates without transverse suture; aggenital setae absent; one pair of anal setae; three pairs of adanal setae. Legs with three tarsal claws.

<==Trhypochthonius Berlese 1904 [incl. Albonothrus Tseng 1982, Trilohmannia Willmann 1923, Tumidalvus Ewing 1908] S04
    |--*T. tectorum (Berlese 1896) [=Hypochthonius tectorum; incl. Tumidalvus mutsalpina Kishida 1931] S04
    |    |--T. t. tectorum [incl. T. monodactylus Mihelčič 1957] S04
    |    |--T. t. congregator Grandjean 1940 S04
    |    `--T. t. spinosus Kulijev 1968 S04
    |--T. africanus Balogh 1958 (n. d.) S04
    |--T. americanus (Ewing 1908) [=Tumidalvus americanus] S04
    |--T. cladonicola (Willmann 1919) [=Camisia cladonicola] S04
    |--T. conspectus Sergienko 1991 S04
    |--T. elegantulus Schweizer 1956 (n. d.) S04
    |--T. fujinitaensis Fujikawa 2000 S04
    |--T. hammerae Schweizer 1956 (n. d.) S04
    |--T. japonicus Aoki 1970 S04
    |--T. javanus Csiszár 1961 S04
    |--T. longipes Warburton 1912 (n. d.) [=T. tectorum longipes] S04
    |--T. misumaiensis Fujikawa 2000 S04
    |--T. montanus Hammen 1952 S04
    |--T. multisulcatus (Tseng 1982) (n. d.) S04 [=*Albonothrus multisulcatus BB92]
    |--T. nigricans Willmann 1928 S04
    |--T. ruttneri Willmann 1931 S04
    |--T. sclerotrichus Willmann 1923 [=T. cladonicola sclerotrichus] S04
    |--T. septentrionalis Fujikawa 1995 S04
    |--T. setantis Golosova 1983 S04
    |--T. silvestris Jacot 1937 S04
    |--T. sphagnicola Weigmann 1997 S04
    |--T. stercus Fujikawa 2000 S04
    |--T. tablasotus Schweizer 1956 (n. d.) S04
    `--T. tepoztecus Palacios-Vargas & Iglesias 1997 S04

*Type species of generic name indicated

REFERENCES

[BB92] Balogh, J., & P. Balogh. 1992. The Oribatid Mites Genera of the World vol. 1. Hungarian Natural History Museum: Budapest.

[S04] Subías, L. S. 2004. Listado sistemático, sinonímico y biogeográfico de los ácaros oribátidos (Acariformes, Oribatida) del mundo (1758–2002). Graellsia 60 (número extraordinario): 3–305.