Neotaxilanoides Men & Qin, 2011, gen. n.

Neotaxilanoides gen. n.

Type species: Neotaxilanoides orientalis sp. n.

Description. Medium-sized tropiduchids. Head narrower and longer than pronotum (Figs 1, 3). Vertex longer than broad at base, bent upwards at apex (Fig. 2), lateral margins ridged, parallel between eyes and slightly narrowing anteriad to rounded apex, median carina simple (Figs 1, 3). Frons widest at level of antennal sockets, median carina simple and percurrent, lateral margins concave in basal half (Figs 4, 5). Pronotum tricarinate (Figs 1, 3), with one lateral carina between eye and tegula (Figs 2, 5). Mesonotum with median and lateral carinae convergent anteriorly (Figs 1, 3). Hind tibia with 2 lateral and 5 apical spines, metabasitarsus with 5 apical spines. Forewings long and narrow, corium with granulation, costal cell without cross veins; Sc+R forking before nodal line, M forking at level of nodal line, Cu forking basad of coalescence of claval veins; nodal line even obliquely, membrane apparently declined, with numerous short longitudinal veins (Figs 1, 6). Male genitalia with pygofer and genital styles bilaterally symmetrical, dorsolateral angles of pygofer not produced (Fig. 8). Anal segment elongate, anal styles long (Figs 8, 11, 12). Genital styles fused in basal 2/ 3 in ventral aspect, in dorsal aspect projected medially in a triangular process, from basal inner side with pair of lateral processes directed latero-basad (Figs 8–10); aedeagus tubular, elongate, with two processes subapically on dorsal side (Figs 8, 11–13); periandrium asymmetrical, tubular, wrapping aedeagus in middle (Figs 8, 11–13).

Etymology. The name of the new genus is derived from the genus name Neotaxilana with the suffix ‘ oides ’, which means the similarity of external appearance to Neotaxilana. The gender is feminine.

Remarks. Neotaxilanoides conforms to the tribe Tambiniini based on the generic characters described by Fennah (1982), including one simple median carina on frons (Figs 4, 5), posterior margin of mesoscutellum angulate (Figs 1, 3), hind tibia with two lateral spines, forewings with nodal line even and oblique (Figs 1, 6) and the male genital styles bilaterally symmetrical and not separated at base in ventral view (Fig. 9).

The new genus is similar to Neotaxilana in external appearance, but differs from the latter in the frons with lateral margins concave in basal half (Figs 4, 5) (not concave in Neotaxilana); the forewings with at least 10 longitudinal veins in membrane area and several ranks of transverse veins in apical cellular area (with 7 longitudinal veins in membrane area and only one rank of transverse veins in Neotaxilana), the claval veins joined distad of middle of the clavus (joined basad of middle of the clavus in Neotaxilana); and the genital styles ending in round flaps (ending in tapered apex in Neotaxilana).

Distribution. China (Hainan Province).