3.2.1. Key to morchella group

1 Elytra with three indistinct longitudinal elevations. Parameres slightly exceeding apex of median lobe of aedeagus (Fig. 57). Habitus as in Fig. 40. Body length: 3.65–4.34 mm. China: Yunnan ............................. A. hydraenoides sp.n.

- Elytra without longitudinal elevations, each elytron with indistinct small and irregular elevations between punctures, more visible on median portion. Parameres significantly exceeding apex of median lobe of aedeagus......................... 2

2 Head behind eyes markedly widened posteriad (Fig. 42). Pronotum with very distinct longitudinal and medio-basal impressions; punctation of pronotum small. Parameres with two short apical and several small setae along inner edge and in middle parts of setiferous lobes (Fig. 56). Habitus as in Fig. 39. Body length: 3.37–4.58 mm. China: Yunnan ..... A. morchella sp.n.

- Head behind eyes slightly widened posteriad. Pronotum with vague longitudinal and medio-basal impressions; punctation of pronotum larger and more rugose. Parameres with elongated apical and two preapical setae (Fig. 58). Habitus as in Fig. 41. Body length: 3.75–4.75 mm. China: Sichuan ..................................................... A. puetzi sp.n.