Myriola Shestakov, 1932 re-instated

Figs 7–11

Type species: Myriola gussakovskii Shestakov, 1932 .

Diagnosis. Antenna of female slender submedially, with 20 antennomeres; eyes often glabrous or short setose (Figs 9C, 11C & K); maxillary palp with 5 segments; clypeus almost as wide as face (Figs 7B, 9B, 11C & K); prepectal carina absent (Figs 7F, 10A & B, 11I); medial areola of dorsal face of propodeum narrow (Figs 8B, 10C & D, 11D); vein 1-R1 of fore wing completely absent (Figs 7A, 9A, 10E, 11A); vein 1-SR of fore wing distinct and slender; second metasomal tergite usually smooth (Figs 8B, 10D, 11D); metasomal sutures absent or shallowly impressed and smooth (Figs 8B, 10D, 11D).

Distribution. East Palaearctic.

Included species. Myriola aridus Tobias, 1967, M. ferulae Tobias, 1964, M. gussakovskii Shestakov, 1932, M. magna Tobias, 1967 .

Notes. Myriola Shestakov, 1932, is traditionally included in Adelius Haliday, 1833 (Yu et al. 2016), but there are several differences between both taxa as listed above in the key to genera. Therefore, we re-instate Myriola as a valid genus.