Philydrodes

Shavrin, Alexey V., 2017, Five new species of the genus Philydrodes Bernhauer, 1929 from China (Coleoptera: Staphylinidae: Omaliinae: Anthophagini), Zootaxa 4231 (2), pp. 169-186 : 185

Key to the Philydrodes species of China

1 Elytra at least twice as long as pronotum.................................................................. 2

- Elytra shorter, less than twice as long as pronotum.......................................................... 3

2 Eyes distinctly shorter than temples. Body brown to brown black. Aedeagus wide, with latero-apical and apical projections ( Fig. 30 ). Apical margin of male abdominal sternite VIII with wide emargination ( Fig. 25 ). Body length: 3.80–5.02 mm. Habitus as in Fig. 1 . Hubei, Gansu, Shaanxi, Sichuan ............................................. Ph. tridentatus sp.n.

- Eyes as long as temples or slightly longer. Head and abdomen brown, pronotum and elytra reddish brown. Aedeagus narrow, without apical modifications ( Fig. 37 ). Apical margin of male abdominal sternite VIII with narrow deep emargination (Fig. 44). Body length: 4.20–5.15 mm. Habitus as in Fig. 3 . Shaanxi ................................. Ph. reticulatus sp.n.

3 Punctation of pronotum same as that on head. Aedeagus very wide ( Fig. 33 ). Body brown, elytra reddish brown. Body length: 4.15–4.56 mm. Habitus as in Fig. 4 . Yunnan .................................................. Ph. tibetanus sp.n.

- Punctation of pronotum distinctly larger, deeper and denser than that on head. Aedeagus narrow...................... 4

4 Head and abdomen brown, pronotum and elytra reddish brown. Aedeagus without latero-apical projections, with widely rounded apex ( Fig. 36 ). Body length: 4.10–5.75 mm. Habitus as in Fig. 2 . Sichuan .................... Ph. michaeli sp.n.

- Body reddish brown to brown. Aedeagus with small latero-apical and apical projections ( Fig. 38 ). Body length: 3.58–4.60 mm. Habitus as in Fig. 5 . Sichuan ................................................................. Ph. wrasei sp.n.

Figures

FIGURES 30 – 35. Aedeagus of Philydrodes tridentatus (30 ‾ 32: paratype) and Ph. tibetanus (33 ‾ 35: paratype): 30, 33 — parameral view, 31, 34 — lateral view, 32, 35 — ventral view. Scale bars 0.1 mm.

FIGURES 24 – 29. Abdominal segments of Philydrodes tridentatus: 24 — male tergite VIII, 25 — male sternite VIII, 26 — male genital segment, 27 — female tergite VIII, 28 — female sternite VIII, 29 — female genital segment. Scale bars 0.1 mm.

FIGURES 1 – 5. Habitus of Philydrodes: 1 — Ph. tridentatus, holotype, 2 — Ph. michaeli, paratype, 3 — Ph. reticulatus, paratype, 4 — Ph. tibetanus, holotype, 5 — Ph. wrasei, paratype. Scale bars 1.0 mm.

FIGURES 36 – 41. Aedeagus of Philydrodes michaeli (36, 39: holotype), Ph. reticulatus (37, 40: paratype) and Ph. wrasei (38, 41: paratype): 36 ‾ 38 — parameral view, 39 ‾ 41 — lateral view. Scale bars 0.1 mm.