1	Body and head integument with predominant blister-like sculpture (Figs 7B, 7:1); anteromedial setae of antennal area very short, generally < 0.3 as the distance between antennae (Fig. 7E, 15:1)	2
–	Body and head integument for the most part smooth; blister-like sculpture only on the genal area (Fig. 7D, 9:1); anteromedial setae of antennal area long, 0.3-0.7 the distance between antennae (Fig. 7D, 15:2)	5
2	Supraclypeal setae present (Fig. 8E, 17:1); anteromedial setae of antennal area situated clearly above antennae (Fig. 8E)	Ormyrus wachtli
–	Supraclypeal setae absent (Figs 7C, 7F); anteromedial setae of antennal area usually situated at the same level or slightly above antennae (Figs 7B, 7D; 14:0), if clearly above (Figs 7A, 7D) then supraclypeal setae absent.	3
3	Thoracic setae long, at least as long as the length of a thoracic segment (Figs 3B, 7B)	Ormyrus cupreus
–	Thoracic setae short; shorter than the length of a thoracic segment (Figs 3E, 7E)	4
4	Large size larvae; length reaching 3 mm (Figs 3E, 5E); blister-like sculpture mostly along head being weak on body segments (Figs 3E, 5E)	Ormyrus nitidulus
–	Smaller size larvae, which length rarely exceed 2 mm (Figs 4C, 6B); body segments conspicuously blister-like sculpted (Figs 4C, 6B, 8C)	Ormyrus pomaceus
5	Upper margin of vertex rounded continuous; convex at the medial area (Fig. 7F, 10:2)	Ormyrus orientalis
–	Upper margin of vertex slightly interrupted, the medial area of vertex appearing concave or depressed (Fig. 7C, 10:0)	6
6	Anteromedial setae of the antennal area situated at the same level or slightly above antennae (Fig. 7C); lateral lobes of labrum conspicuous and not fused with the medial piece (Fig. 9C, 22:2)	7
–	Anteromedial setae of the antennal area situated clearly above antennae (Fig. 7A, 14:1); lateral lobes of labrum inconspicuous, almost fused with the medial piece (Fig. 9A, 22:1)	8
7	Body short and wide, not abruptly tapering towards anal segment from the middle of the body (Fig. 3C); integument of thoracic segments smooth (Fig. 7C); posterior margin of medial piece of labrum convex (Fig. 9C)	Ormyrus diffinis
–	Body elongated and narrow, abruptly tapering towards the anal segment from the middle segments (Fig. 4D); integument of thoracic segments blister-like (Fig. 8D, 7:1); posterior margin of medial piece of labrum straight (Fig. 10B)	Ormyrus rufimanus
8	Body elongated and narrow, abruptly tapering towards the anal segment from the middle of the body (Fig. 4A); anteromedial setae of antennal area short, < 0.3 the distance between antennae (Fig. 8A, 15:1)	Ormyrus papaveris
–	Body shorter and wide, not abruptly tapering towards anal segment from the middle (Figs 3A, 3D); anteromedial setae of antennal area longer; 0.5 the distance between antennae (Fig. 7D)	9
9	Lateral clypeal setae situated slightly above clypeal setae; distance between lateral clypeal setae and clypeal setae, twice the distance separating clypeal setae (Fig. 9D)	Ormyrus gratiosus
–	Lateral clypeal setae situated at the same level of clypeal setae (Fig. 9A, 18:0); distance between lateral clypeal setae and clypeal setae, the same as the distance separating clypeal setae (Fig. 9A)	Ormyrus capsalis