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    Variation in Cell Number in a Population of Bembix Americana (Hymenoptera: Sphecidae) by John Alcock

    Published 1972-01-01
    “…This paper reports the results of observations made during the summers of 1971 and 1972 on a small group of Bembix americana Fabricius nesting in a vacant lot in Seattle, Washington. This population was judged to be intermediate to comata Parker and spinolae Lepeletier at the subspecific level (H. …”
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