Phaedon cochleariae Panzer, 1794

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 : 13-14

Phaedon cochleariae Panzer, 1794 ( Fig. 8 )

Phaedon cochleariae Panzer, 1797: 14 .

Description. Body length 3.8–4.0 mm, width 2.0– 2.2 mm. Body elongate, rather convex, hind wings present. Colour dark blue, green or purple, basal two segments of antennae, tarsi, apical margin of abdominal segments yellowish brown.

Head. Frons and vertex with dense and coarse punctures. Antennae shown as Figs 8A, 8B .

Thorax and abdomen. Pronotum length 0.9 mm, width 1.6 mm; disc with dense and coarse punctures. Scutellum. Subtriangular, smooth. Elytra length 3.0 mm; striae regular, interspace with fine and dense punctures. Epipleuron with fine and sparse punctures. Legs. Apex of onychium slightly enlarged. Underside. Prosternal process narrow, slightly widened apically. Hypomeron, mesoventriate, metaventrate and abdomen with dense and coarse punctures. Antero-lateral plate of © Zoological Systematics, 40(1): 1–30 metaventrite large and impunctate.

Aedeagus. Shown as Figs 8E, 8F .

Spermatheca. Shown as Fig. 8G .

Material examined. 4 males and 5 females, China, Xinjiang, Qinghe, Ertai (elev. 940 m), 2 July 1960, coll. Shu-Yong Wang ( IZCAS); 1 male, China, Xinjiang, Qinghe, Ertai (elev. 940m), 30 June 1960, coll. Fa-Cai Zhang ( IZCAS) .

Remarks. The species is similar to Phaedon alticola Chen , but it can be distinguished by the following characters: dorsum with same colour,head and pronotum with dense punctures, and interspace of elytra with dense and fine punctures.

Distribution. China (Xinjiang).

Figures

Fig. 8. Phaedon cochleariae Panzer, 1794, from Daccordi and Lavarini (1993). A. Antenna, male. B. Antenna, female. C. Tarsus, dorsal view, male. D. Tarsus, dorsal view, female. E. Aedeagus, dorsal view. F. Aedeagus, lateral view. G. Spermatheca. Scale bars: A–B, E–F=0.5mm; C–D, G= 0.2mm.