Key to tribes of Pamphaginae

(Modified from Uvarov 1943; Bey-Bienko & Mistshenko 1951; La Greca 1993; Massa 2012)

1 Krauss’ organ present on second abdominal tergite (except Ocneridia) (Figs. 261–262); tegmina squamipterous in both sexes, never overlapping dorsally (Figs. 282–295)............................................................... 2

- Krauss’ organ absent on second abdominal tergite (Fig. 263) tegmina absent (Figs. 330–331); if present then overlapping dorsally in male and vestigial scale like in female (only in subgenera Mistshenkoella and Cryptonothrotes) (Figs. 332–339)... 3

2 Posterior surface of aedeagus with columnar or arcuate ridges; epiphallus with oval or subtriangular pseudolophi............................................................................................ Euryparyphini La Greca

- Posterior surface of aedeagus without columnar or arcuate ridges; epiphallus with simple linear pseudolophi................................................................................................ Pamphagini Burmeister

3 Pronotum strongly spinose; intersected by the typical transverse sulcus (Fig. 264); found in N. Africa...... Finotiini Bolívar

- Pronotum tuberculate, but never spinose; not intersected by the typical transverse sulcus (Figs. 339); found in Eurasia.....4

4 Inner ventral margin of hind femur smooth, without any spinule or denticle (Fig. 265); arch of zygoma very large, broadly rounded; posterior lobes of zygoma very long, longer than apodemes (Figs. 4 a, b)...... Tropidauchenini Zhang, Yin et Yin

- Inner ventral margin of hind femur with distict spinules or denticles, never smooth (Figs. 266–267); arch of zygoma very small and narrow; posterior lobes of zygoma very short, always much shorter than apodemes (Figs. 5 a, b)... Nocarodeini I.Bolívar