Scaphidium

He, Wen-Jia, Tang, Liang & Li, Li-Zhen, 2008, A review of the genus Scaphidium Oliver (Coleoptera, Staphylinidae, Scaphidiinae) from Tianmushan, East China, Zootaxa 1898, pp. 55-62 : 56-57

Key to Scaphidium species of Tianmushan

1 Pronotum and elytra entirely black ............................................................................................................ 2

- At least elytra with spots or fascia ............................................................................................................. 3

2 BL 3.5–4.3 mm. Last antennal segment symmetrical. Legs black. Male profemur curved, without microsculpture; protibia slightly expanded from basal 1/5 to median portion, gradually narrowed to apical 1/6 and then forming obtuse low protuberance subapically. (see Fig. 10 in this paper; Fig. 6 in Löbl 1968). Aedeagus 1.16 mm long (see Figs. 1, 2 in Löbl 1968; Fig. 9 in He et al. 2008). China (Zhejiang), North Korea..................................................................................................................................... S. comes Löbl

- BL 6.0– 9.5 mm. Last antennal segment asymmetrical. Meso- and metafemora with wide reddish fasciae on median portion. Male profemur slightly expanded with distinct protuberances and mesh-like microsculpture; protibia not expanded, with distinct protuberances subapically. Aedeagus 2.05–2.32 mm long (see Figs. 39, 55, 71 in Löbl 1992). China (widely distributed in the south), India, Nepal, Burma, Thailand, Laos, Malaysia, Vietnam, Indonesia................................................................................. S. grande Gestro

3 Pronotum reddish brown, with spots or fascia ........................................................................................... 4

- Pronotum entirely black ............................................................................................................................. 5

4 ..... Basal portion of pronotum with black strip along antebasal puncture row; each elytron without round black spot delimited by basal fascia near scutellum (see Figs. 2, 3 in this paper; Fig. 17 in Löbl 1992; Fig. 23 in Löbl 1999). Male profemora gradually expanded from base to middle and then narrowed apically, forming two low ridges in median portion. Protibiae straight, not expanded, with low protuberance subapically. (see Fig. 11 in this paper) Aedeagus 1.33 mm long. (see Figs. 19, 22 in this paper). BL 3.8–4.5 mm long. China (Fujian, Zhejiang) ............................................................................................... S. sinense Pic

- Basal portion of pronotum without black strip; each elytron with a round black spot delimited by basal fascia near scutellum (see Fig. 1 in He et al. 2008). Male profemora with ventral side cornuted in basal third, followed by ridge. Protibiae straight, not expanded, without subapical protuberance (see Fig. 5 , in

He et al., 2008). Aedeagus ( Figs. 7, 8 in He et al. 2008) 1.46–1.47 mm long. BL 5.0– 5.5 mm. China (Zhejiang, An’hui) ................................................................................................ S. biwenxuani He, Tang & Li 5 Pronotum with antebasal row of punctures impressed. Subbasal fascia on each elytron yellowish, small, of simple shape (see Fig. 1 in this paper). Male: profemora expanded gradually, with two widest points. Protibiae sinuate, with angular protuberance at widest point, narrowed toward apex, followed by ridge. (see Fig. 9 in this paper). Aedeagus (see Fig. 15 in this paper) 2.00 mm long. BL 6.5–8.4 mm. China (Zhejiang, An’hui) ............................................................................. S. wuyongxiangi He, Tang & Li , sp. nov.

- Pronotum with antebasal row of punctures not impressed. Basal fascia on each elytron reddish, large, of complex shape ........................................................................................................................................... 6

6 Basal fascia of each elytron encircling only one black spot, near humerus. (see Fig. 4 in this paper) China (Yunnan, Zhejiang, Jiangsu, Fujian, Hunan) ........................................................... S. stigmatinotum Löbl

- Basal fascia of each elytron encircling two black spots, one on humerus and another near scutellum. (see Fig. 25 in Löbl 1999) China (Fujian, An’hui) ................................................................ S. klapperichi Pic

Figures

FIGURES 9 – 17. Front (9 – 12) and hind (13) leg and antenna (14 – 17) of Scaphidium. 9, 14 — S. wuyongxiangi sp. nov.; 10, 15 — S. comes; 11, 16 — S. sinense; 12, 13, 17 — S. stigmatinotum. Scale bars 1 mm.

FIGURES 1 – 8. Habitus (1 – 4) and metaventrite (5 – 8) of Scaphidium. 1, 5 — S. wuyongxingi sp. nov.; 2, 3, 7 — S. sinense (Baishanzu (2), Tianmushan (3 )); 4, 8 — S. stigmatinotum; 6 — S. comes. Scale bars 1 mm.

FIGURES 18 – 23. Aedeagus (18 – 20; dorsal view) and details of internal sac (21 – 23) of Scaphidium. 18, 21 — S. wuyongxaingi sp. nov.; 19, 22 — S. sinense; 20, 23 — S. stigmatinotum. Scale bars 0.25 mm.