Dorsal view and leg IV of Zetorchestes flabrarius, from Norton & Behan-Pelletier (2009).

Belongs within: Holonota.

The Zetorchestidae are a family of oribatid mites found primarily among plant debris that often have the hindmost legs modified for jumping (Norton & Behan-Pelletier 2009).

Characters (from Norton & Behan-Pelletier 2009): Length 330–550 µm. Subcapitulum diarthric; chelicerae chelate-dentate. Prodorsum with true lamellae. Cerotegument with large globules; octotaxic system absent. One or two pairs of adanal setae, positioned postanally. Tarsus I with three solenidia, pretarsus with very small claw, tarsal pulvillus present; legs IV modified for jumping or not.

<==Zetorchestidae [Zetorchestoidea]
    |  i. s.: Strenzkea Travé 1967S04
    |           `--*S. depilata Travé 1967S04
    |    |--Litholestes Grandjean 1951G51
    |    |    `--*L. altitudinis Grandjean 1951S04
    |    |--Microzetorchestes Balogh 1943 [incl. Diorchestes Grandjean 1951]S04
    |    |    |--*M. emeryi (Coggi 1898)S04 (see below for synonymy)
    |    |    `--M. italicus (Eyndhoven 1942)S04 [=Zetorchestes italicusS04, *Diorchestes italicusG51]
    |    `--Belorchestes Grandjean 1951G51
    |         |--*B. planatus Grandjean 1951S04
    |         |--B. gebennicus Grandjean 1957S04
    |         `--B. sectus Pérez-Íñigo & Peña 1996S04
    |--Saxicolestes Grandjean 1951S04 [SaxicolestinaeG51]
    |    |--*S. auratus Grandjean 1951S04
    |    |--S. armatus Grandjean 1951BB92
    |    |--S. corsicanus Grandjean 1956S04
    |    `--S. pollinivorus Travé 1963S04
    `--Zetorchestes Berlese 1888S04 (see below for synonymy)
         |--*Z. micronychus (Berlese 1883)S04 [=Carabodes micronychusS04, *Leptorchistis micronychusG51]
         |    |--Z. m. micronychusS04
         |    `--Z. m. unicorniculatus Lombardini 1961 (n. d.)S04
         |--Z. aokii Krisper 1987S04
         |--Z. equestris Berlese 1908S04
         |--Z. falzonii Coggi 1898SK10, S04
         |--Z. flabrarius Grandjean 1951S04
         |--Z. grandjeani Krisper 1987S04
         |--Z. novaguineanus Krisper 1987S04
         |--Z. ornatus Mahunka 1985S04
         |--Z. pacificus Sellnick 1959 [=Z. micronychus pacificus]S04
         |--Z. phylliferus Mahunka 1983 [=Z. (Phyllorchestes) phylliferus]S04
         |--Z. phyllosetus Mahunka 1977S04
         |--Z. reticulatus Karppinen & Poltavskaja 1990S04
         |--Z. saltator Oudemans 1915S04
         |--Z. schusteri Krisper 1984S04
         |--Z. transvaalensis Coetzee 1989S04
         |--Z. trituberculatus Berlese 1916 (n. d.)S04
         `--Z. vanderhammeni Krisper 1987S04

*Microzetorchestes emeryi (Coggi 1898)S04 [=Zetorchestes emeryiS04, Diorchestes emeryiG51; incl. Z. consanguineus Oudemans 1902S04, Diorchestes consanguineusG51]

Zetorchestes Berlese 1888S04 [=Leptorchistis Canestrini & Berlese 1885 non Thorell 1876S04; incl. Phyllorchestes Mahunka 1983S04; ZetorchestinaeG51]

*Type species of generic name indicated


[BB92] Balogh, J., & P. Balogh. 1992. The Oribatid Mites Genera of the World vol. 2. Plates. Hungarian Natural History Museum: Budapest.

[G51] Grandjean, F. 1951. Etude sur les Zetorchestidae. Mémoires du Muséum National d’Histoire Naturelle, nouvelle série, Série A, Zoologie 4 (1): 1–50.

Norton, R. A., & V. M. Behan-Pelletier. 2009. Suborder Oribatida. In: Krantz, G. W., & D. E. Walter (eds) A Manual of Acarology 3rd ed. pp. 430–564. Texas Tech University Press.

[SK10] Schäffer, S., S. Koblmüller, T. Pfingstl, C. Sturmbauer & G. Krisper. 2010. Ancestral state reconstruction reveals multiple independent evolution of diagnostic morphological characters in the “Higher Oribatida” (Acari), conflicting with current classification. BMC Evolutionary Biology 10: 246.

[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.

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