Genus Neopius Gahan, 1917

Neopius Gahan, 1917: 203 . Type species (by original designation): Neopius carinaticeps Gahan, 1917 (= Opius rudis Wesmael, 1835). Synonymized by Quicke et al. (1997) with Opius Wesmael, 1835 and restored as valid genus by Li et al. (2013).

Diagnosis.

Occipital carina completely crenulate in dorsal and lateral view (Figs 32, 33); frons distinctly granulate (Fig. 32); mandible normal and symmetrically widened basally (Fig. 33); hypoclypeal depression distinct (Fig. 31); precoxal sulcus sculptured (Fig. 28); pronotum sculptured; notauli sculptured at least half of mesoscutum (Fig. 29); medio-posterior depression of mesoscutum present; mesoscutum and mesopleuron largely granulate; ovipositor sheath short.

Distribution.

Holarctic, including Japan (new record) and South Korea.

Biology.

Endoparasitoids of Agromyzidae larvae (including species Agromyza megalopsis Hering, 1933 and Agromyza nigripes Meigen, 1830).

Key to species of the genus Neopius Gahan

Notes: Modified after Sheng et al. (2019).