Chyzeria sp., copyright Matias G.

Belongs within: Parasitengonina.

The Chyzeriidae are a group of parasitengonine mites in which adults usually bear numerous setiferous, finger-like projections on the idionotum (Walter et al. 2009).

Characters (from Walter et al. 2009): Adult gnathosoma not retractable into idiosoma; cheliceraewith movable digit bladelike and curved, palp bearing enlarged spinelike setae adjacent to tibial claw; prodorsal area bearing one pair of trichobothria on prodorsal plate and two pairs of lateral eyes; dorsal cuticle peripherally with several pairs of long papillae densely covered with plumose setae, strongly reticulate medially and bearing moderately dense pelage of simple setae; with three pairs of genital papillae, pregenital tubercle absent. Larva heteromorphic; palpgenu with one seta; idionotum with prodorsal plate (scutum) bearing four pairs of setae including one pair of trichobothria but lacking scutellum, setae c1 located on paired platelets; ventrally with sessile urstigmata and well-defined anus, anal plate bearing two pairs of setae; coxal plates I–III bearing 2, 1, and 1 setae, respectively, plates I–II contiguous; legs with genua each bearing four setae.

<==Chyzeriidae [Chyzeriniini, Chyzerioidea]
    |--Cretessenia leoni WL09
    |--Napassenia aginapaica WL09
    |--Perumaropta [Perumaroptinae] WL09
    |    `--P. mirsadi WL09
    |--Pteridopus Newell & Vercammen-Grandjean 1964 [Pteridopodinae] W91
    |    |--P. auditor WL09
    |    `--P. pseudhannemania WL09
    |--Ralphaudyana Vercammen-Grandjean et al. 1974 [Ralphaudyaninae] W91
    |    |--R. amamiensis WL09
    |    `--R. iranensis WL09
    `--Chyzeria Canestrini 1897 [incl. Grossia Womersley 1954; Chyzeriinae] H98
         |--C. armigera Hirst 1929 H98
         |--C. australiensis Hirst 1928 [=C. australiense] H98
         |--C. derricki Southcott 1982 H98
         |--C. flindersi Southcott 1982 H98
         |--C. hirsti Womersley 1934 [=C. australiense var. hirsti, C. australiensis var. hirsti] H98
         |--C. insulana Hirst 1929 H98
         |--C. montana Hirst 1928 H98
         |--C. musgravei Hirst 1928 [=C. australiense var. musgravei] H98
         |--C. novaezealandiae Hirst 1924 QH01 [=C. novaehollandiae (l. c.) W34]
         |--C. occidentalis Hirst 1929 [=C. australiense var. occidentalis, C. australiensis var. occidentalis] H98
         |--C. onychia (Womersley 1954) [=Grossia onychia] H98
         |--C. poivrei WL09
         `--C. queenslandica Womersley 1942 H98

*Type species of generic name indicated


[H98] Halliday, R. B. 1998. Mites of Australia: A checklist and bibliography. CSIRO Publishing: Collingwood.

[QH01] Qin, T.-K., & R. C. Henderson. 2001. Taxonomy of New Zealand Prostigmata: past, present and future. In: Halliday, R. B., D. E. Walter, H. C. Proctor, R. A. Norton & M. J. Colloff (eds) Acarology: Proceedings of the 10th International Congress pp. 35–39. CSIRO Publishing: Melbourne.

[WL09] Walter, D. E., E. E. Lindquist, I. M. Smith, D. R. Cook & G. W. Krantz. 2009. Order Trombidiformes. In: Krantz, G. W., & D. E. Walter (eds) A Manual of Acarology 3rd ed. pp. 233–420. Texas Tech University Press.

[W91] Welbourn, W. C. 1991. Phylogenetic studies of the terrestrial Parasitengona. In: Dusbábek, F., & V. Bukva (eds) Modern Acarology: Proceedings of the VIII International Congress of Acarology, held in České Budĕjovice, Czechoslovakia, 6–11 August 1990 vol. 2 pp. 163–170. SPB Academic Publishing: The Hague.

Womersley, H. 1934. A revision of the trombid and erythraeid mites of Australia with descriptions of new genera and species. Records of the South Australian Museum 5 (2): 179–254.

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