Review of the genus Opazon Haliday, 1857 (Hymenoptera: Diapriidae: Belytinae) in the fauna of Russia Author Rechnitzer, George text Russian Entomological Journal 2021 2021-03-31 30 1 78 83 http://dx.doi.org/10.15298/rusentj.30.1.09 journal article 10.15298/rusentj.30.1.09 9f78774a-2c2e-4007-9af4-b456cb76dc5d 0132-8069 10978399 1. Opazon apertum (Kieffer, 1908) Figs 1 , 5 , 9 , 17 . Rhynchopsilus apertus Kieffer, 1908 . Opazon opertum Chemyreva, 2019: 37 (erratum). MATERIAL EXAMINED: Lithuania . 1 ♀ , 3 ♂♂ ( ZIN ): vicinity of Vilnius , 17. VI .1971 , V . Tobias leg. Estonia . 2 ♂♂ ( TUZ ): Paluküla 58.2571°N 26.9326°E , YPT , 15. VI .2017 , V . Soon leg. ; 2 ♂♂ ( ZIN ): Võru. Russia . : Leningradskaya Area , Ladoga Lake Station , 13. VI .1983 , S. Belokobylskij leg. ; 5 ♀♀ , 109 ♂♂ ( ZIN , ZMUM ): Moscow Area , Moscow City , Krylatskoe , Rublevskiy forest , 1–30. VI .2004 , V . Kolyada leg. VARIATIONS. Radial cell well developed (close or open at apex) to strongly reduced to transparent point. DISTRIBUTION. England , Germany , Italy , Poland , Czech Republic , Austria , * Lithuania , * Estonia , Russia (*European part, Ural).