Sphaeromacrops Schillhammer, 2001

Key to species of Sphaeromacrops Schillhammer View in CoL

1 Three outer antennal segments white........................................................... S. strigosifrons View in CoL

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

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

- Smaller species, FL: 5.4–7.0 mm......................................................................... 4

3 Head with indistinct cross-shaped impunctate portion between eyes, admedian impunctate patches of the pronotum very inconspicuous.............................................................................. S. nepalensis View in CoL

- Head without cross-shaped impunctate portion between eyes, admedian impunctate patches of the pronotum relatively distinct................................................................................... S. antennalis View in CoL

4 Admedian impunctate patches of the pronotum indistinct, abdominal tergites III and IV without dark tomentose patch.............................................................................................. S. yunnanensis View in CoL

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

5 Front tarsi with segment V shorter than segments III and IV combined.................................. S. varicornis View in CoL

- Front tarsi with segment V longer than segments III and IV combined............................................ 6

6 The median portion of tergite III and IV without long,white setae, segment 6 entirely black................ S.guizhouensis

- The median portion of tergite III and IV have long,white setae, segment 6 black with broad reddish base......... S. gracilis View in CoL