Hymenoptera of Turkey. Priamus (Suppl.) 38: 1-393, 79 dual maps, 3 tables. Within the frame of the Entomofauna project of the Cesa, Hymenoptera of Turkey is submitted here. For this purpose, 971 publications are evaluated. Totally 5749 species of 1277 genera are listed alphabetically under 53 families. Numerous scientific names revised nomenclaturally. Synonymous names are given chronologically. Distributional information are mentioned as codes. 79 dual maps are prepared. Rates of success of some hymenopterists are discussed. Present situation of the Entomofauna Project in Turkey is also explained. Studied families are listed alphabetically under key words.