Chyzeriidae

Belongs within: Trombidioidea. 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… Continue reading Chyzeriidae

Eutrombidium

Belongs within: Microtrombidiidae. Eutrombidium is a widespread genus of parasitengonine mites recorded from Eurasia, North America and Australia (Walter et al. 2009). Characters (from Schweizer & Bader 1963): Adult with crista enlarged at midpoint around fine, hair-like sensilla; two eyes on each side, raised only slightly above the body surface on small basal plates; small,… Continue reading Eutrombidium

Camerotrombidium

Belongs within: Microtrombidiidae. Camerotrombidium is an Old World genus of microtrombidiid mites with distinctive cup-shaped idiosomal setae in the adult (Southcott 1994). Characters (from Southcott 1994): Adult middle-sized with well-developed crista, extending only a little behind the sensillary enlargement. Eyes two on each side, subequal, each pair on a small ocular plate. Idiosomal setae arising… Continue reading Camerotrombidium

Eutrombicula

Belongs within: Trombiculidae. Eutrombicula is a genus of chigger mites in which larvae have a roughly rectangular scutum with all scutal setae branched or plumose (Gould 1956). Characters (from Gould 1956): Larvae with scutum roughly rectangular, often with rounded posterior margin, all scutal setae branched or plumose; palpal claw bifurcate, axial prong external to smaller… Continue reading Eutrombicula

Trombicula

Belongs within: Trombiculidae. Trombicula is a genus of chigger mites in which larvae bear flagelliform sensillae and five scutal setae (Gould 1956). Characters (from Gould 1956): Larva with sensillae flagelliform, nude or branched; scutal setae 5; cheliceral blade unmodified, lacking teeth other than the tricuspid cap; coxae usually with single seta each, occasionally more on… Continue reading Trombicula

Guntheria

Belongs within: Trombiculidae. Guntheria is a genus of chiggers most commonly parasitic on mammals, more rarely on birds or reptiles, in which larvae have five barbed setae on the palptarsus. <==Guntheria Womersley 1939 (see below for synonymy)H98 |–G. agnewi (Domrow 1964) [=Guntherana agnewi]H98 |–G. alpina (Domrow 1964) [=Guntherana alpina]H98 |–G. andromeda (Womersley 1954) [=Euschongastia andromeda,… Continue reading Guntheria

Neotrombicula

Belongs within: Trombiculidae. Neotrombicula is a genus of chiggers in which larvae bear a roughly pentagonal scutum and flagelliform sensillae (Gould 1956). Characters (from Gould 1956): Scutum roughly pentagonal; palpal claws usually trifurcate, axial prong internal; all coxae with a single seta each; leg III with mastitarsalae and mastifemoralae often present. <==Neotrombicula Hirst 1925H98 |–*N.… Continue reading Neotrombicula

Trombidioidea

Belongs within: Parasitengonina.Contains: Trombellidae, Leeuwenhoekiidae, Chyzeriidae, Trombidiidae, Microtrombidiidae. The Johnstonianidae are a group of relatively large parasitengonine mites found in moist litter habitats, characterised by nude or sparsely barbed idionotal setae and the presence of a large ventral or lateral spine on the palptibia (Walter et al. 2009). <==Trombidioidea [Microtrombidioidea, Trombiculoidea]LKW09 |–JohnstonianidaeDPD16 | | i.… Continue reading Trombidioidea

Trombellidae

Belongs within: Trombidioidea. The Trombellidae are a group of large, often colourful mites found in forest litter whose larvae are parasitic on insects. Members of the subfamilies Spelaeothrombiinae and Moyanella gigax are known from South America; the subfamily Trombellinae is more widespread (Walter et al. 2009). Characters (from Walter et al. 2009): Adults with idionotum… Continue reading Trombellidae