Sphenoraia (Sphenoraioides) berberii Jiang, 1992

Feng, Chuan, Yang, Xing-Ke, Li, Zhi-Qiang & Liu, Yang, 2022, Revision of Sphenoraia Clark, 1865 (Coleoptera, Chrysomelidae, Galerucinae) from China, with descriptions of two new species, ZooKeys 1132, pp. 51-83 : 51

Sphenoraia (Sphenoraioides) berberii Jiang, 1992

Fig. 2A-F

Sphenoraia berberii Jiang, 1992: 665.

Sphenoraia (Sphenoraioides) berberii : Wang et al. 2000: 118.

Type specimens examined.

Holotype: ♂, China, Yunnan Province, Deqin, Baimang snowy mountain; 3300 m; 28 Aug. 1987; Shuyong Wang leg.; IZAS. Paratypes : 10♂♂ 6♀♀, same information as holotype. Allotype: 1♀, same information as holotype.

Additional specimen examined.

1♀, China, Yunnan Province, Lijiang, Yulong Mountain; 3200 m; 17 Jul. 1984; Jianguo Fan leg. IZAS.

Description.

Male. Length 5.9-6.4 mm, width 3.4-3.6 mm.

Head, pronotum, and scutellum blackish green, antennae, elytra, legs, and ventral surface of the body brown; apex of each abdominal segment yellow, elytral epipleuron from base to subapex yellow, connecting with yellow stripes on the base and apex of the elytra.

Vertex covered with punctures finely and sparsely; frontal tubercle distinctly raised, separated from each other by a deep furrow; antennae short, robust, extended to the middle of the elytra; antennomeres 1-3 thin, shiny; antennomeres 4-11 wide and flat, with short hairs, antennomeres 2 and 3 shortest, antennomere 3 nearly equal in length and shape to antennomere 2, antennomere 4 longest, 1.5 × as long as antennomeres 2 and 3 combined; antennomeres 5-10 gradually shortened, shorter than 4; antennomere 11 slightly longer than 10, pointed.

Pronotum approximately 1.8 × as wide as long, with lateral margins rounded, disc slightly convex, sparsely covered with punctures in the center, base, and apex of pronotum covered with punctures closely. The interstices between punctures equal to the diameter of each puncture.

Scutellum triangular, only on the base and apex, sparsely covered with punctures.

Bases of both elytra wider than pronotum, gradually widen posteriorly and rounded at apex; dorsal surface slightly convex, irregularly covered with punctures, the interstices between punctures equal to the diameter of individual punctures.

Metasternum twice as long as mesosternum; prothoracic legs shortest, mesothoracic legs slightly longer, metathoracic legs longest.

Ventral surface of abdomen with five segments, segment 1 longest, segments 2-4 gradually shortened, apical segment slightly longer than segment 4, with three lobes.

Aedeagus slender, rounded laterally, basally widened, with triangular apex, distinctly pointed. In lateral view moderately bent.

Female. Length 5.8-6.2 mm, width 3.5-3.8 mm

Antennae slender, antennomere 2 shortest, antennomere 3 slightly longer than 2, 1.2 × as long as second; antennomere 4 longest, twice as long as antennomeres 2 and 3 combined; apical sternite flatted.

Differential diagnosis.

This species can be distinguished from other species by its blackish green pronotum and the yellow stripes on the elytra.

Distribution.

China: Yunnan.

Host plant.

Berberis sp.

Figures

Figure 2. Sphenoraia (Sphenoraioides) berberii A-C habitus D-F aedeagus A, D dorsal views B, E ventral views C, F lateral views. Scale bars 1 mm (A); 0.5 mm (D-F).