| AMNH | American Museum of Natural History, New York, USA |
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| BMEC | Bohart Museum of Entomology, University of California, Davis, California, USA |
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| CAS | California Academy of Sciences, San Francisco, California, USA |
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| CNIN | Colección Nacional de Insectos, Universidad Nacional Autónoma de México, D.F, México |
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| ECOAB | El Colegio de la Frontera Sur, San Cristóbal de Las Casas, Chiapas, México |
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| EMEC | Essig Museum Entomological Collection, University of California, Berkeley, California, USA |
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| INHS | Illinois Natural History Survey, Champaign, Illinois, USA |
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| LACM | Natural History Museum of Los Angeles, Los Angeles, California, USA |
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| MNHP | Museum National d’Histoire Naturelle, Paris, France |
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| MZFC | Museo de Zoología, Facultad de Ciencia UNAM, D. F. Mexico |
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| NHMUK | Natural History Museum, London, UK |
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| SDEI | Senckenberg Deutsches Entomologisches Institut, Senckenberg, Germany |
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| SEMC | Snow Entomological Museum Collection, Lawrence, Kansas, USA |
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| UCRC | University of California Riverside Entomology Research Museum, Riverside, California, USA |
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| UDLAP | Universidad de las Américas, Puebla, México |
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| USDA-ARS | Bee Biology and Systematics Laboratory, Utah State University, Logan, Utah, USA |
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| USNM | United State National Entomological Collection, Washington DC, USA |
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| VAB | Van Asperen de Boer, Amsterdam, Netherlands (now in Naturalis) |
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| ZMHB | Museum für Naturkunde an der Humboldt-Universität, Berlin, Germany |
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| ZMUC | Zoological Museum University of Copenhagen, Denmark |
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| ZSM | Zoologische Staatssammlung München, Germany |
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