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  1. By: Rozen, Jerome G. (Jerome George),
    Publication info: New York, NY, American Museum of Natural History, [2013], ©2013
    Holding Institution: American Museum of Natural History Library
    Subjects: Argentina  Arhysosage  Bees  Brazil  Calliopsini  Callonychium  Chile  Classification  Insects  Larvae  Spinoliella  
  2. By: Engel, Michael S. - Gonzalez, Victor H. - Smith-Pardo, Allan H.
    Holding Institution: American Museum of Natural History Library
    Subjects: America  Argentina  Bees  Calliopsini  Chile  Cordillera Occidental (Peru)  Peru  Phylogeny  Spinoliella  Xeranthrena  Xeranthrena imponticula