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  1. By: Engel, Michael S. - Gonzalez, Victor H. - Griswold, Terry L.
    Holding Institution: American Museum of Natural History Library
    Subjects: Aporiochile  Bees  Chalepochile  Megachile  Phylogeny  Rhyssomegachile  South America  Western Hemisphere  Zonomegachile  
  2. By: Gonzalez, Victor H. - Griswold, Terry L. - Engel, Michael S.
    Publication info: New York, NY, American Museum of Natural History, [2018]
    Holding Institution: American Museum of Natural History Library
    Subjects: Aporiochile  Bees  Chalepochile  Classification  Identification  Insects  Megachile  Phylogeny  Rhyssomegachile  South America  Western Hemisphere  Zonomegachile