Pselaphini, Latreille, 1802

Löbl, Ivan & Kodada, Ján, 2021, On the Himalayan Pselaphini (Insecta: Coleoptera: Staphylinidae: Pselaphinae), Biodiversität und Naturausstattung im Himalaya VII, Erfurt: Naturkundemuseum, pp. 349-368 : 350

Key to Pselaphini genera known from the Indian subcontinent

1 Maxillary palpomeres with lateral spines......................... ................................................. Mentraphus Sharp, 1883

- Maxillary palpomeres lacking spines............................. 2

2 Maxillary palpomere IV short, robust, lacking peduncle. ..................................................... Tyraphus Sharp, 1883

- Maxillary palpomere IV long, with peduncle ................ 3

3 Pronotum lacking antebasal sulcus ................................ 4

- Pronotum with antebasal sulcus ..................................... 6

4 Maxillary palpomere IV with apical notch bearing sensory area ................................... Pselaphogenius Reitter, 1910

- Maxillary palpi lacking obvious apical notch and sensory area ................................................................................. 5

5 Pronotum with antebasal foveae, elytra with basal foveae. Maxillary palpomere IV not or indistinctly tuberculate... ......................................................... Nepallaphus n. gen.

- Pronotum and elytra lacking foveae. Maxillary palpomere IV distinctly tuberculate ............ Pselaphus Herbst, 1791

6 Pronotum with mesal impression ..................................... ........................................ Nabepselaphus Nomura, 2002

- Pronotum not impressed mesally ................................... 7

7 Pronotum with dense, longitudinal striae or sulci covering lateral and dorsal surface of disc anterior antebasal sulcus. ......................................................... Himallaphus n. gen.

- Pronotum without longitudinal striae or sulci ................ 8

8 Sensory area of maxillary palpomere IV sharply defined ............................................. Pselaphaulax Reitter, 1909

- Sensory area of maxillary palpomere IV in shallow, not clearly defined impression................................................ ..................................... Pselaphotrichus Besuchet, 1986