Oodinychus egypticus, Abo-Shnaf & El-Bishlawy & Allam, 2018

Abo-Shnaf, Reham I. A., El-Bishlawy, Shahira M. O. & Allam, Sally F. M., 2018, Description of a new species of Oodinychus (Acari: Uropodina: Trematuridae) from Egypt, with a key to the species, Acarologia 58 (3), pp. 546-556 : 547

Oodinychus egypticus n. sp. ( Figs 1-4 )

Oodinychus agepti Hassan et al., 2011: 318 (nomen nudum).

Zoobank: 2BAAD54B-C1E1-4A56-BCF7-770E11528BE9

Diagnosis — Dorsal shield with 36 pairs of aciculate setae and 16 pairs of pilose setae in female (35 and 22 pairs respectively in the male); idiosoma with small round pits; all ventral setae aciculate and smooth, except JV5, ZV4 and post-anal setae pilose (in addition to ZV 3 in the male); tritosternum with a pair of lateral dentate basal loops, laciniae with dentate base, divided into three smooth laciniae, median lacinia longer than laterals in both sexes; genital shield with curved anterior sharp-tipped projection, almost reaching the base of coxa I; opisthogaster with seven pairs of opisthogastric setae (JV2, JV4, JV5, ZV1– ZV4) in female (eight pairs in males, JV1 present); anteromedian region of epistome convex, three-tined, the median tine longer with two lateral smooth denticles, and bifid median tine; fixed cheliceral digit with two teeth, movable digit with a tooth in both sexes; legs II–IV with thick and spine-like setae on telotarsus in both sexes.

Figures

Figure 1 Oodinychus egypticusn. sp., holotype female: A – Dorsum of idiosoma; B – Tritosternum; C – Venter of idiosoma; D – Epistome; E – Chelicera; F – Hypostome.

Figure 2 Oodinychus egypticusn. sp., holotype female: A – Coxa–tibia of leg I ventral view; B – Leg II ventral view; C – Leg III ventral view; D – Leg IV ventral view.

Figure 3 Oodinychus egypticusn. sp., paratype male: A – Dorsum of idiosoma; B – Tritosternum; C – Venter of idiosoma; D – Epistome; E – Chelicera; F – Hypostome.

Figure 4 Oodinychus egypticusn. sp., paratype male: A – Coxa–tibia of leg I ventral view; B – Leg II ventral view; C – Leg III ventral view; D – Leg IV ventral view.