(Fig. 16)
Material examined. Holotype: male, RUSSIA, Sakhalin Region: 6–9 km E of Novo-Aleksandrovsk, 14.vii.1990, leg. A. Basarukin (deposited in: SIZK).
Diagnosis. Exochus varipes is characterized by the combination of the following characters: face not strongly swollen, yellow; frons black; yellow marks opposite to lateral ocelli not elongated; clypeus with apical margin straight, yellow; malar space yellow; occipital carina absent dorsally; meso- and metasoma black except upper hind corner of pronotum, subtegular ridge and epicnemium yellow; propodeum with area superomedia closed apically, costulae distinct; fore wing with vein cu-a strongly distad of Rs&M by about 0.4 of own length; third laterotergite straight from the proximal end, wedge-shaped; legs: fore and mid coxae, trochanters and trochantelli yellow, hind coxae and trochanters partly black, hind femur orange with dark dorsal line, tibiae fuscous basally and apically, yellowish centrally.
Distribution. Known from Western Ukraine and Eastern Russia (Tolkanitz 2007a).