Stenosphenus nigricornis Fisher Specimen Type: holotype Institution: NMNH United States National Museum, Washington, DC, USA Photographer: P. Naskrecki, P. Perkins, and B. Farrell Collection Location: Yuma, California 2902
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Stenosphenus aridus Linsley Specimen Type: holotype Sex: m Institution: CAS California Academy of Sciences, San Francisco, CA, USA Photographer: Larry G. Bezark Collection Location: Zion National Park, Utah 24115
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Stenosphenus pruddeni Casey Specimen Type: holotype Sex: f Institution: NMNH United States National Museum, Washington, DC, USA Collection Location: Caņon of the Colorado, Arizona 26603
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Stenosphenus comus Bates Specimen Type: lectotype Sex: f Institution: BMNH British Museum Natural History, London, UK Photographer: John Chemsak Collection Location: Villa Lerdo, Durango, Mexico 18574
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Photographer: Larry G. Bezark 2886
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