Phaedon huizuensis Daccordi & Ge, 2015

Ge, Si-Qin, Daccordi, Mauro, Ren, Jing & Yang, Xing-Ke, 2015, Revision of Phaedon Latreille from China (Coleoptera: Chrysomelidae), Zoological Systematics 40 (1), pp. 1-30 : 20

Phaedon huizuensis Daccordi & Ge , sp. nov. ( Fig. 13 )

Description. Body length 2.9–3.2 mm, width 1.9–2.1 mm. Body elongate, rather convex, hind wings absent. Colour dark brown to dark green with dark blue reflection; tibiae and tarsi brick red.

Head. Vertex and frons with sparse and small punctures. Antennae shown as Figs 13A, 13B .

Thorax and abdomen. Pronotum length 0.9–1.0 mm, width 1.6–1.7 mm; with sparse punctures. Scutellum subtriangular, with very sparse punctures. Elytra length 2.3–2.5 mm; striae regular, interspace with fine and dense punctures. Epiperuron impunctate, with transversal wrinkles expecially on apical one third part. Underside. Prosternal process narrow, apex slightly widened. Hypomeron, mesoventrite, metaventrite and abdomen with dense and fine punctures. Antero-lateral plate of metaventrite large and impunctate.

Aedeagus. Shown as Figs 13C, 13D .

Spermatheca. Shown as Fig. 13E .

Material examined. Holotype male, China, E. Qinghai, pass 30km S. of Huizu (elev. 3 600 m), 1–3 August 1992 ( IZCAS) . Paratypes 4 female, same data as holotype (1 female in IZCAS, 3 female in MDC) .

Etymology. The specific name is referring to the type locality, Huizu.

Remarks. The new species is similar to P. alpinus , but it can distinguished from the latter by shinning interspace of elytra striae, slender aedeagus, and almost parallel lateral sides.

Distribution. China (Qinghai).

Figures

Fig. 13. Phaedon huizuensis Daccordi & Ge, sp. nov. A. Antenna, male. B. Antenna, female. C. Aedeagus, dorsal view. D. Aedeagus, lateral view. E. Spermatheca. Scale bars: A–B=0.5mm; C–D=0.2mm; E=0.1mm.