Tenuipalpus

S, De M Orae & Silva, Da, 2011, A new flat mite (Acari: Prostigmata: Tenuipalpidae) from date palm in the Sultanate of Oman, Zootaxa 2962, pp. 63-68 : 68

Key to adult female of Tenuipalpus species reported on date palm

1. Tibiae I and II each with 4 setae; ventrigenital plate smooth.................... T. yarensis Hasan, Bashir & Wakil, 2003

- Tibiae I and II each with 5 setae; ventrigenital plate with transverse striation or with small rounded structures............ 2

2. Seta v2 about as long as seta sc1 and about half as long as seta sc2; aggenital and genital setae smooth................................................................................................. T. eriophyoides Baker, 1948

- Setae v2, sc1 and sc2 subequal; aggenital and genital setae barbed............................................... 3

3. Ventral cuticle of idiosoma mostly with small rounded structures, except for the central region between setae 1a -3a, where the rounded structures become elongate or fuse to each other to form wavy, broken longitudinal ridges, and for the regions laterad of ventrigenital plate and between genital and anal openings, smooth; ventrigenital plate also with small rounded structures; genua I–IV with 3, 3, 2 and 2 setae............................................................. T. omani n. sp.

- Ventral cuticle of idiosoma mostly with wavy, broken longitudinal lines, except for lateral region between legs II and III, striate; ventrigenital plate with slightly curved transverse striation that forms an ellipsoidal pattern anteriorly; genua I–IV with 2, 2, 1 and 1 setae...................................................... T. pareriophyiodes Meyer & Gerson, 1980