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  1. Hylaeus hyalinatus Smith, a European bee new to North America, with notes on other adventive bees (Hymenoptera: Apoidea)
    By: Ascher, J S
    Type: Article
    In: Proceedings of the Entomological Society of Washington.
    Volume: 103
    Date: 2001
    Page Range: 184--190
    Publication info: Washington, etc. :Entomological Society of Washington
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  2. A New Name For The Bee Subgenus Stenostylus (Hymenoptera : Andrenidae)
    By: Ascher, J S - Patiny, S
    Type: Article
    In: Entomological news.
    Volume: 113
    Date: 2002
    Page Range: 140--140
    Publication info: [Philadelphia]American Entomological Society,1925-
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