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Taxonomy and Natural History of the Microgastrine Genus Alphomelon Mason (Hymenoptera: Braconidae)
Vol 12, Page 1
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Host-specificity and Hyperparasitoids of Three New Costa Rican Species of Microplitis Foerster (Hymenoptera: Braconidae: Microgastrinae), Parasitoids of Sphingid Caterpillars
Vol 12, Page 42
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Review of Chaetomymar Ogloblin, with Description of a New Species in the Hawaiian Islands (Hymenoptera: Mymaridae)
Vol 12, Page 77
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A Peculiar New Genus of Locally Abundant Australian Thynninae (Hymenoptera: Tiphiidae)
Vol 12, Page 102
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A Preliminary List of the Encyrtidae (Hymenoptera: Chalcidoidea) of Cuba, with Descriptions of Two New Species
Vol 12, Page 125
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The Bee Genus Doeringiella Holmberg (Hymenoptera: Apidae): A Revision of the Subgenus Pseudepeolus Holmberg
Vol 12, Page 136
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A Synopsis of the Sawflies (Hymenoptera: Symphyta) of America South of the United States: Tenthredinidae (Allantinae)
Vol 12, Page 148
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Food Plants and Life Histories of Sawflies of the Family Argidae (Hymenoptera) in Costa Rica, with Descriptions of Two New Species
Vol 12, Page 193