Krombein, Karl V. text dcu Washington Smithsonian Institution Press 1979 monographic eng

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3 v. 29 cm. v. 1. Symphyta and Apocrita (Parasitica).--v. 2. Apocrita (Aculeata).--v. 3. Indexes. prepared cooperatively by specialists on the various groups of Hymenoptera under the direction of Karl V. Krombein ... [et al.]. "An outgrowth of ... Hymenoptera of America north of Mexico, synoptic catalog (1951) including the first and second supplements (1958, 1967)" n------ Hymenoptera North America Insects North America QL567.1.A1 C37 595.7/9097 78606008 //r81 DLC 780227 20160527204153.0 87809