Key to the subgenera of Podistra Motschulsky, 1839
1. - Ultimate maxillary and ultimate labial palpomeres relatively small, labial palpomere about as long as wide (Fig. 2A); elytral pubescence dual (Fig. 1A); protarsal claw dent broad and oval, mesotarsal claw dent absent (Figs 2C, D)................................................................................................... Pidostria subgen. nov.
- Ultimate maxillary and labial palpomeres prominent, both considerably longer than wide (Fig. 2B); elytral pubescence uniform (Fig. 1B–F); protarsal claw dent, if present, narrow; tarsal claw dents, if developed, present both in pro- and mesotarsus (Figs 2F, G);............................................................................................. 2
2. - Laterophyses widened and flattened towards apex (Figs 4E–F, 5B–D)................................ Podistra s. str.
- Laterophyses narrowed towards apex (Figs 3E–F, 4A–D)..................................................... 3
3. - Anterior pro- and mesotarsal claws in male with a small narrow dent at base (Figs 2C, D); laterophyses with a swollen formation at apex (Fig. 3G, F)............................................................................... Absidia
- All claws simple in both sexes; laterophyses apically not swollen (Figs 4C, D).......................... Hemipodistra