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- Andixius Emeljanov & Hayashi, 2007: 127.
Andixius nupta Emeljanov & Hayashi, 2007, original designation.
The distinctive characters proposed by Emeljanov and Hayashi (2007) are modified as follows: head including eyes distinctly narrower than pronotum. Apical transverse carina of vertex weak and low, meeting the main part of frons at slightly obtuse angle or arc. Subapical carina of vertex as strong as conjunct lateral carinae. A small almost quadrangular fossette between vertex and frons. Vertex narrowest at apex, widened to base, disc arcuately and deeply excavated, lateral carinae strongly elevated. Lateral carinae of frons and postclypeus foliate, directed forward; carinae of posclypeus slightly lower than those of frons. Lower part of frons with convex disc separated from lateral carinae; its upper part deeply trough-like. Frontoclypeal suture slightly arched dorsally at middle. Middle ocellus apart from postclypeus. Middle carina of frons only in lower part or absent. Clypeus with distinct median carina. Frontoclypeus compressed, without lateral carinae. Rostrum long, extended considerably beyond hind coxae. Antennae medium-sized; pedicellum rounded conical and isodiametric. Pronotum short, with anterior margin straight and posterior margin deeply emarginated in an angle; intermediate carinae of pronotum encircling eyes from behind and below. Lateral carinae of pronotum between eye and tegula, separating paranotal lobes of pronotum from upper part behind postocular carinae. Tegmina long, tectiform, gradually but distinctly expanded towards end, rounded at apex, ScR (ScRA and RP) forming a short common stalk. Legs simple, fore coxae without angular apical lobe, hind tibia with six apical spines.
This genus can be easily distinguished from other genera of Andini by the following characters: forewings without trifid branching of ScRA, RP and M near basal cell, ScR (ScRA and RP) forming a short common stalk. Legs simple, fore coxae without angular apical lobe.
Checklist and distributions of species of Andixius Emeljanov & Hayashi
A. longispinus Zhi & Chen, sp. n., China (Yunnan).
A. nupta Emeljanov & Hayashi, 2007, Japan (Ryukyu).
A. trifurcus Zhi & Chen, sp. n., China (Yunnan).
A. venustus (Tsaur & Hsu, 1991), China (Taiwan).
Key to species of Andixius (males)
- Zhi, Y; Yang, L; Zhang, P; Chen, X; 2018: Two new species of the genus Andixius Emeljanov & Hayashi from China (Hemiptera, Fulgoromorpha, Cixiidae) ZooKeys, (739): 55-64. doi