Karl V Krombein Book

Two New Gynandromorphs, with a List of Previously Recorded Sexual Aberrations in the Scolioid Wasps, by Karl V. Krombein

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Contributions on Hymenoptera and Associated Insects

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Krombein 2

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Krombein 3

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Trap-nesting Wasps and Bees

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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.].

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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

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Biosystematic Studies of Ceylonese Wasps, XIX

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Biosystematic Studies of Ceylonese Wasps: Natural history notes in several families (Hymenoptera: Eumenidae, Vespidae, Pompilidae, and Crabronidae)

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Biosystematic Studies of Ceylonese Wasps, XX

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Two New Gynandromorphs, with a List of Previously Recorded Sexual Aberrations in the Scolioid Wasps, by Karl V. Krombein

Contributions on Hymenoptera and Associated Insects

Krombein 2

Krombein 3

Trap-nesting Wasps and Bees

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.].

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

Biosystematic Studies of Ceylonese Wasps, XIX

Biosystematic Studies of Ceylonese Wasps: Natural history notes in several families (Hymenoptera: Eumenidae, Vespidae, Pompilidae, and Crabronidae)

Biosystematic Studies of Ceylonese Wasps, XX

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