Siemssenius metallipennis

Lee, Chi-Feng, 2016, Review of the genus Siemssenius Weise, 1922 (Coleoptera: Chrysomelidae: Galerucinae) from Taiwan, with descriptions of five new species, Zootaxa 4158 (3), pp. 367-384 : 368

Siemssenius metallipennis group

Diagnosis. General color yellow, but head, scutellum, femora, elytra, tarsi, and apices of tibiae black ( Figs 1 ). Abdominal ventrite V relatively shorter in male than Siemssenius rufipenis group ( Figs 2 E, 5E). Apico-apical angles of aedeagus extremely narrow in lateral view ( Figs 2 C, 5C). Sparse setae located along apical margins of triangulate processes on abdominal ventrite VIII in female ( Figs 2 H, 5H).

Figures

FIGURES 1. Habitus of Siemssenius species. 1 A. S. cheni Lee, sp. nov., dorsal view; 1 B. Same, ventral view; 1 C. S. metallipennis (Chûjô), dorsal view; 1 D. Same, ventral view.

FIGURES 2. Diagnostic characters of Siemssenius cheni Lee, sp. nov. 2 A. Antenna, male; 2 B. Antenna, female; 2 C. Penis, lateral view; 2 D. Penis, dorsal view; 2 E. Abdominal ventrites III – V, male; 2 F. Abdominal ventrite V, female; 2 G. Abdominal tergite VIII, female; 2 H. Abdominal ventrite VIII, female; 2 I. Spermatheca.