Sakhalinencyrtus leleji Simutnik gen. et sp. nov. of earliest Encyrtidae (Hymenoptera, Chalcidoidea) from Sakhalinian amber

Another earliest representative of the family Encyrtidae, Sakhalinencyrtus leleji Simutnik gen. et sp. nov. , is described and illustrated based on a male specimen from middle Eocene Sakhalinian amber. Similarly to other Encyrtidae amber, new fossil fundamentally differs encyrtids late European ambers as well modern ones. Moreover, it probably belongs stem group family. The genus characterized by extremely apical position cerci, long veins forewing with expanded parastigma, stigmal vein uncus, absence filum spinosum. venation very similar that Sugonjaevia Simutnik, 2015, but these genera differ structure Mt8, hypopygium, genitalia, clava.