Opsiini
Creators: name: El-Sonbati, S. A.
name: Wilson, M. R.
name: Al Dhafer, H. M.
Publisher: name: Zenodo
Year: 2016
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Hemiptera
Cicadellidae

description: Key to genera of the tribe Opsiini from Arabian Peninsula (based on males)
(Modified from Emeljanov 1964; Knight, 1970; Zahniser & Dietrich, 2008 and Wu et al., 2010)
1. Mesal margin of eye notched; aedeagus with one apically bifurcated shaft......................................... 2
- Mesal margin of eye entire; shafts of aedeagus separated throughout their extent.................................... 3
2. (1) Crown convex, narrowly rounded to face; pygofer without appendage............................. Neoaliturus Distant
- Crown concave, distinctly angularly curved to face; pygofer with appendage........................ Concavifer Dlabola
3. (1’) Forewing with dark brown border to medial spot of approximately constant width.................................. 4
- Forewing without dark brown spots........................................................................ 5
4. (3) Aedeagus with shafts directed posteriorly at base and curving dorsally; atrium not extending ventrad of shafts.................................................................................................. Hishimonus Ishihara
- Aedeagus with shafts directed ventroposteriorly at base and curving dorsally; atrium extending ventrad of shafts.................................................................................................... Naevus Knight
5. (3’) Aedeagus without basal process, branches arising separately from socle......................................... 6
- Aedeagus with pair of ventral basal processes arising from socle............................................... 8
6. (5) Vertex, pronotum and scutellum with distinctive irregular red markings; forewing with scattered small dark brown spots.......................................................................................... Masiripius Dlabola
- Vertex, pronotum, scutellum and forewing with dark-brown vermiculate lines...................................... 7
7. (6’) Aedeagus with parallel or diverging or slightly converging branches, apices of branches narrowly produced, neither reflexed nor hooked............................................................................... Orosius Distant (Aedeagus with apices of branches with hooked process in Pacific distributed genus Nesophrosyne (Kirkaldy))
- Aedeagus with diverging branches bent inwards at mid-length, apices of branches distinctively curved or reflexed to form dis- tinctive tips........................................................................... Paraorosius gen. n.
8. (5’) Anterior margin of head rounded, never with carina or ridge.......................................... Opsius Fieber
- Anterior margin of head sharply angulate, with distinct transverse carina.......................... Phlepsopsius Dlabola
description: Published as part of El-Sonbati, S. A., Wilson, M. R. & Al Dhafer, H. M., 2016, Paraorosius, a new genus of leafhopper (Hemiptera: Cicadellidae: Deltocephalinae: Opsiini), with description of a new species from the Middle East, pp. 581-590 in Zootaxa 4150 (5) on page 582, DOI: 10.11646/zootaxa.4150.5.5, http://zenodo.org/record/260737