A Remarkable Record of Little-Known Parasitoid Wasp Helorus striolatus (Hymenoptera: Heloridae) from Turkey with A Global Checklist of the Family

The Heloridae (Hymenoptera: Proctorupoidea) is a family of parasitoid wasps composed single genus, Helorus with eighteen extant species. For Türkiye, only two species have been reported: anomalipes (from Ankara, Central Anatolia) and H. striolatus Bingöl, Eastern Anatolia). In this study, new distribution record given for from Kocaeli province (Marmara region), which the second relatively little-known in country. addition, an updated checklist presented.