Eight hundred and seventy-six primary types of Ichneumonidae housed in the Canadian National Collection were examined and listed. These were contributed by the following authors: Viereck (248), Dasch (174), Heinrich (102), Walley (97), Townes (54), Provancher (51), Mason (25), Harrington (21), Sanborne (21), Loan (15), Barron (11), Porter (9), Gupta (6), Hopper (6), Gauld and Mitchell (5), Townes and Chiu (5), Brues (3), Cushman (3), Gupta and Gupta (3), Kamath and Gupta (3), Gupta and Jonathan (2), Townes and Gupta (2), Baltazar (1), Barron and Bisdee (1), Barron and Walley (1), Cresson (1), Curtis (1), Mitchell (1), Pratt (1), Slobodchikoff (1), Torgersen (1), and Walley and Barron (1).