Pentacladia hatayensis n. sp. (Hymenoptera, Chalcidoidea, Eupelmidae)Yayladagl, Hatay, TUrkiye'den isimlendirilmis, tarurm yapiirrus ve onemli ayirt edici morfolojik ozellikleri taramah elektron mikroskoptan fotograflan cekilcrek saptanrmstir. Yeni turle i1gili bazi biyolojik bilgiler de verilmistir

A new species, Pentacladia hatayensis n.sp. (Hymenoptera: Chalcidoidea; Eupelmidae) is named and described from Yayladagi, Hatay, Turkey. The systematic position of the new species was discussed and its diagnostic characters were photographed by using SEM. Some biological informations were also given for the new species. Pentacladia (= Chilorophus) hyalinus Hedqvist was transferred to the genus Calosota Curtis (Comb.nov.).