Sphaeromacrops Schillhammer, 2001

Tang, Liang & Cheng, Zhi-Fei, 2020, Sphaeromacrops Schillhammer new to China with description of a new species (Coleoptera, Staphylinidae), Zootaxa 4779 (2), pp. 297-300 : 300

Key to species of Sphaeromacrops Schillhammer

1 Three outer antennal segments white. Female FL: 7.2 mm. Male unknown. Thailand..................... S. strigosifrons

- Four or five outer antennal segments white................................................................. 2

2 Larger species, FL: 7.5–7.8 mm .......................................................................... 3

- Smaller species, FL: 5.9–7.0 mm......................................................................... 4

3 Head with indistinct cross-shaped impunctate portion between eyes, admedian impunctate patches of the pronotum very inconspicuous. Male FL: 7.5 mm. Aedeagus: Fig. 12 in Schillhammer, 2001. Nepal............................ S. nepalensis

- Head without cross-shaped impunctate portion between eyes, admedian impunctate patches of the pronotum relatively distinct. Female FL: 7.8 mm. Male unknown. India (Meghalaya).............................................. S. antennalis

4 Admedian impunctate patches of the pronotum distinct, abdominal tergites III and IV with a pair of dark tomentose patches. 5

- Admedian impunctate patches of the pronotum indistinct, abdominal tergites III and IV without dark tomentose patch. Male FL: 5.9–6.3 mm, female FL: 7.0 mm. Aedeagus: Figs. 3–6 . China (Yunnan)............................... S. yunnanensis

5 Antennal segment V black, front tarsi with segment V shorter than segments III and IV combined. Male FL: 6.7 mm. Aedeagus: Fig. 13 in Schillhammer, 2001. Bhutan........................................................... S. varicornis

- Antennal segment V reddish, front tarsi with segment V longer than segments III and IV combined. Male FL: 6.4 mm. Aedeagus: Fig. 14 in Schillhammer, 2001. India (Meghalaya).............................................. S. gracilis

Figures

FIGURES 3–6. Male sexual characters of Sphaeromacrops yunnanensis. 3 Sternite IX; 4 aedeagus in ventral view; 5 aedeagus in lateral view; 6 apical portion of paramere. Scale bars: 0.25mm.