Athermantus W. F. Kirby 1882

Athermantus W.F. Kirby, 1882 Type species: Hylotoma imperialis F. Smith, 1860. Body size 13.0–16.0 mm. Head strongly enlarged behind eyes in dorsal view. Face roundly and strongly elevated, without middle ridge. Fore wings with 4 cells Rs; cell R closed; vein Sc present; vein 2r–m present; vein B of fore wing joins vein R well before (longer than vein Sc) junction point of vein M. All tibiae without preapical spurs. Hind tibiae and apical spurs flattened. Saw sheath short and very broad, round at apex in dorsal view. Body black with strong metallic purplish tinge. For additional generic characters see Luo et al. [2019]. This small genus is distributed in the Palaearctic (East) and Oriental regions. Number of species: World — 3; Palaearctic — 1. The body size of Athermantus species is the largest among the members of Argidae. Recently, a description of a new species from China was published with an identification key to the species of the genus [Luo et al., 2019].