Phthiracarus Perty, 1839

Niedbała, W., 2017, Ptyctimous mites (Acari, Oribatida) of Madagascar and neighbouring islands, Acarologia 57 (1), pp. 3-205 : 64

Phthiracarus Perty, 1839

Body integumental surface smooth or punctate (with some exceptions). Median and lateral sigillar fields of prodorsum mostly not fused; lateral carinae of prodorsum either long, extending beyond or reaching sinus, or shorter; no furrows in the back of prodorsum (with some exceptions); sensilli most often smooth, short, fusiform or rounded distally, or long and filiform, without a distinct head; interlamellar setae always parallel to surface of prodorsum, setae of prodorsum and notogaster smooth, fine and long, acuminate. Median crista of notogaster absent; 15 pairs of gastronotal setae, rarely more setae present. Ventral region; pedipalps three segmented with formula: 2-2-7(1); epimera I and II are much larger than epimera II and IV with formula: 1-0-1-1; genital setae arranged in two rows, setae g 6 - g 9 remote from paraxial margin, setae g 6 usually near or anteriorly of g 5; adanal setae always remote from the paraxial margin of plate, setae ad 1 and ad 2 well developed, minute or vestigial, neotrichy involving adanal setae can occur. Legs; setae d of tibiae IV short, coupled with solenidia; when present, setae v’ on femora I long; setae ft " of tarsi I normal.

Distribution — Semicosmopolitan.