Krombein 3
Krombein 2
Studies in the Tiphiidae, X Hylomesa, a New Genus of Myzinine Wasp Parasitic on Larvae of Longicorn Beetles (Hymenoptera)
Biosystematic Studies of Ceylonese Wasps, XIX
Two New Gynandromorphs, with a List of Previously Recorded Sexual Aberrations in the Scolioid Wasps, by Karl V. Krombein
Biosystematic Studies of Ceylonese Wasps
Biosystematic Studies of Ceylonese Wasps, XX
Catalog of Hymenoptera in America north of Mexico prepared cooperatively by specialists on the various groups of Hymenoptera under the direction of Karl V. Krombein ... [et al.].
Collected Papers
Hymenoptera of America North of Mexico. Synoptic Catalog. Prepared ... Under the Direction of C. F. W. Muesbeck and Karl V. Krombein ... and Henry K. Townes
Collected Papers
A Revision of the Myrmosinae of the New World with Discussion of the Old World Species (Hymenoptera Aculeata)
Biosystematic Studies of Ceylonese Wasps, XXI
Supplement to a List of the Wasps of Gebel 'Uweinat, Libyan Desert
Hymenoptera of America North of Mexico
"Hymenoptera"
Monograph of the Madagascan Mutillidae (Hymenoptera)
Studies in the Tiphiidae, X
Habitats, Flora, Mammals and Wasps of Gebel Uweinat Libyan Desert