![](images/P/Prionus_heroicus_(lect-m)_Semenov_MCZ_Arizona_SS.jpg)
Specimen Type: lectotype Sex: m Institution: MCZ Museum of Comparative Zoology, Harvard University, Cambridge, MA, USA Photographer: Antonio Santos-Silva Collection Location: Arizona 53503
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![](images/P/Prionus_heroicus_(lect-m-vent)_Semenov_MCZ_Arizona_SS.jpg)
Specimen Type: lectotype Sex: m Institution: MCZ Museum of Comparative Zoology, Harvard University, Cambridge, MA, USA Photographer: Antonio Santos-Silva Collection Location: Arizona 53504
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![](images/P/Prionus_heroicus_(paralect-f)_Semenov_MCZ_Arizona_SS.jpg)
Specimen Type: paralectotype Sex: f Institution: MCZ Museum of Comparative Zoology, Harvard University, Cambridge, MA, USA Photographer: Antonio Santos-Silva Collection Location: Arizona 53505
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![](images/P/Prionus_heroicus_(paralect-f)_Semenov_MCZ_Arizona_SS.jpg)
Specimen Type: paralectotype Sex: f Institution: MCZ Museum of Comparative Zoology, Harvard University, Cambridge, MA, USA Photographer: Antonio Santos-Silva Collection Location: Arizona 53506
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![](images/P/Prionus_tetricus_(h-f)_Casey_USNM_=_heroicus.jpg)
Prionus tetricus Casey Specimen Type: holotype Sex: f Institution: NMNH United States National Museum, Washington, DC, USA 26489
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![](images/P/Prionus_tetricus_labels_(h-f)_Casey_USNM_=_heroicus.jpg)
Prionus tetricus Casey Specimen Type: holotype Sex: f Institution: NMNH United States National Museum, Washington, DC, USA 26490
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![](images/P/Prionus_vastus_(h-f)_Casey_USNM_=_heroicus.jpg)
Prionus vastus Casey Specimen Type: holotype Sex: f Institution: NMNH United States National Museum, Washington, DC, USA 26500
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![](images/P/Prionus_vastus_labels_(h-f)_Casey_USNM_=_heroicus.jpg)
Prionus vastus Casey Specimen Type: holotype Sex: f Institution: NMNH United States National Museum, Washington, DC, USA 26501
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![](images/P/Prionus_heroicus_Semenov_LGB.jpg)
Photographer: Larry G. Bezark 2618
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![](images/P/Prionus_heroicus_Semenov_LGB_replacement.jpg)
Photographer: Larry G. Bezark 3487
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