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  1. Further studies on South American Bethylidae (Hymenoptera)
    By: Evans, Howard E
    Type: Article
    In: Proceedings of The Entomological Society of Washington
    Volume: 75
    Date: 1973
    Page Range: 194--204
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  2. Further studies on the genus Dissomphalus in the United States, Mexico, and the Greater Antilles Hymenoptera: Bethylidae
    By: Evans, Howard E
    Type: Article
    In: Proceedings of the Entomological Society of Washington
    Volume: v. 64, no. 2, p. 309-310
    Date: 1962
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  3. Mexican and Central American Pompilinae Hymenoptera, Pompilidae : supplementary notes. I
    By: Evans, Howard E
    Type: Article
    In: Entomological News
    Volume: v. 79, no. 6, p. 158-167
    Date: 1968
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  4. A new species of Irenangelus from Costa Rica Hymenoptera: Pompilidae: Ceropalinae
    By: Evans, Howard E
    Type: Article
    In: Proceedings of the Entomological Society of Washington
    Volume: v. 89, no. 3, p. 559-561
    Date: 1987
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  5. Report on a collection of Bethylidae Hymenoptera from Central Florida
    By: Evans, Howard E - Fullerton, Stuart M
    Type: Article
    In: Proceedings of the Entomological Society of Washington
    Volume: v. 99, no. 1, p. 174-179
    Date: 1997
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  6. A synopsis of the American Bethylidae (Hymenoptera, Aculeata)
    By: Evans, Howard E
    Type: Article
    In: Bulletin of the Museum of Comparative Zoology
    Volume: 132
    Date: 1964
    Page Range: 1--222
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  7. West Indian wasps of the subfamilies Epyrinaeand Bethylinae. (Hymenoptera: Bethylinae)
    By: Evans, Howard E
    Type: Article
    In: Proc. Ent. Soc. Wash.
    Volume: 72
    Date: 1970
    Page Range: 340--356
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