Thinodromus

Lee, Seung-Il & Ahn, Kee-Jeong, 2007, The Korean species of the genus Thinodromus Kraatz (Coleoptera: Staphylinidae: Oxytelinae), Zootaxa 1573 (1), pp. 39-50 : 40

Key to the species of the genus Thinodromus in Korea

1. Body color usually black ( Figs. 1–3 ); punctures on pronotum small and shallow ( Figs. 17–19 ); scutellar impression as inverted triangle ( Figs. 21–23 ); male sternite VIII more or less prolonged apically ( Figs. 25–27 ) ......................................................................................................................................................... 2

- Body color usually dark brown ( Fig. 4 ); punctures on pronotum large and deep; scutellar impression semicircular ( Fig. 24 ); male sternite VIII more or less emarginated apically ( Fig. 28 ) ....................................... .......................................................................................................................... T. (Amisammus) japonicus

2. Intervals between punctures on pronotum narrower than diameter, punctures moderately large ( Figs. 17, 18 ); abdomen with long pubescence ( Figs. 25, 26, 29, 30 ); spermatheca curved more than 90 degrees ( Figs. 41, 42 ) .............................................................................................................................................. 3

- Intervals between punctures on pronotum wider than diameter, punctures small ( Fig. 19 ); abdomen with short and dense pubescence ( Figs. 27, 31 ); spermatheca very slightly curved ( Fig. 43 ) ... T. (T.) sericatus

3. Apical region of elytral suture with red mark ( Fig. 1 ); median sclerotized plate of hologlossa oval ( Fig. 5 ); male antennomere 10 about 1.1 times wider than long (Fig. 9); spermatheca curved about 90 degrees ( Fig. 41 ) ....................................................................................................................................... T. (T.) deceptor

- Apical region of elytral suture without red mark ( Fig. 2 ); median sclerotized plate of hologlossa trapezoidal ( Fig. 6 ); male antennomere 10 about 1.1 times longer than wide (Fig. 11); spermatheca curved about 130 degrees ( Fig. 42 ) ...................................................................................................... T. (T.) bernhaueri

Figures

FIGURES 1–4. Habitus of Thinodromus. 1: T. deceptor, 3.2 mm; 2: T. bernhaueri, 3.3 mm; 3: T. sericatus, 3.5 mm; 4. T. japonicus, 3.8 mm.

FIGURES 17–20. Pronotum of Thinodromus, dorsal aspect, circle indicates punctures. 17: T. deceptor; 18: T. bernhaueri; 19: T. sericatus; 20: T. japonicus. Scale bars: 0.1 mm.

FIGURES 21–24. Scutellum of Thinodromus, dorsal aspect. 21: T. deceptor; 22: T. bernhaueri; 23: T. sericatus; 24: T. japonicus. Scale bars: 0.1 mm.

FIGURES 25–32. Abdominal sternite VIII of Thinodromus, (25–28) and female (29–32), ventral aspect. 25, 29: T. deceptor; 26, 30: T. bernhaueri; 27, 31: T. sericatus; 28, 32: T. japonicus. Scale bars: 0.1 mm.

FIGURES 41–44. Spermatheca of Thinodromus. 41: T. deceptor; 42: T. bernhaueri; 43: T. sericatus; 44: T. japonicus. Scale bars: 0.1 mm.

FIGURES 5–8. Median sclerotized plate of hologlossa of Thinodromus, ventral aspect. 5: T. deceptor; 6: T. bernhaueri; 7: T. sericatus; 8: T. japonicus. Scale bars: 0.1 mm.