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  1. By: Cockerell, Theodore D. A. (Theodore Dru Alison),
    Publication info: New York City, The American Museum of Natural History, [1937]
    Holding Institution: American Museum of Natural History Library
    Subjects: 59.57,99S(71.1)  Bees  Classification  Insects  Prince Albert National Park  Saskatchewan  Sphecodes
  2. By: Cockerell, Theodore D. A. (Theodore Dru Alison),
    Publication info: New York City, The American Museum of Natural History, [1937]
    Holding Institution: American Museum of Natural History Library
    Subjects: Angara River Valley  Bees  Classification  Halictus  Hylaeus  Insects  Russia (Federation)  Siberia  Siberia, Eastern  Sphecodes
  1. By: Rasmussen, Claus, - Michener, Charles
    Type: Article
    In: ZooKeys
    Volume: 127
    Date: 2011
    Page Range: 61-68
    Publication Info: Sofia, Bulgaria Pensoft Publishers
    Subjects: Anthophila  Apoidea  Australia  Bismarck Archipelago  cleptoparasite  Halictinae  Halictini  New Britain  Sphecodes  Sphecodina  taxonomy