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REFERENCES - IRODALOM 1. GRAHAM, M. W. R. de V. (1969): The Pteromalidae of North-Western Europe (Hymenoptera: Chalcidoidea). - Bull. Br. Mus. nat. Hist., Ent Suppl. 16: 1-908. 2. WALKER, F. (1872): Notes on Chalcidiae. Part 6. - London. 3. WALKER, F. (1874): Descriptions of Amurland Chalcidiae. - Cist, ent., 1 (11): 311-321. Author's address: Dr. M. W. R. de V. GRAHAM Department of Entomology University Museum Oxford Great Britain