A new species of Megachile Latreille subgenus Megachiloides (Hymenoptera, Megachilidae) by Cory Sheffield

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Agapostemon fasciatus Crawford (Hymenoptera, Halictidae), a valid North American bee species ranging into southern Canada by Cory Sheffield

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A new western Canadian record of Epeoloides pilosulus (Cresson), with discussion of ecological associations, distribution and conservation status in Canada by Cory Sheffield, Jennifer Heron

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Range expansion of Bombus (Pyrobombus) bimaculatus Cresson in Canada (Hymenoptera, Apidae) by Cory Sheffield, Kirsten Palmier

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Xylocopa sonorina Smith, 1874 from Vancouver, British Columbia, Canada (Hymenoptera: Apidae, Xylocopinae) with comments on its taxonomy by Cory Sheffield, Jennifer Heron, Luciana Musetti

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Wolbachia and DNA barcoding insects: patterns, potential, and problems. by M Alex Smith, Claudia Bertrand, Kate Crosby, Eldon S Eveleigh, Jose Fernandez-Triana, Brian L Fisher, Jason Gibbs, Mehrdad Hajibabaei, Winnie Hallwachs, Katharine Hind, Jan Hrcek, Da-Wei Huang, Milan Janda, Daniel H Janzen, Yanwei Li, Scott E Miller, Laurence Packer, Donald Quicke, Sujeevan Ratnasingham, Josephine Rodriguez, Rodolphe Rougerie, Mark R Shaw, Cory Sheffield, Julie K Stahlhut, Dirk Steinke, James Whitfield, Monty Wood, Xin Zhou

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