| 
| _Horn_MCZ.jpg) Specimen Type: lectotype
 Institution: MCZ Museum of Comparative Zoology, Harvard University, Cambridge, MA, USA
 Photographer: P. Naskrecki, P. Perkins, and B. Farrell
 Collection Location: Arizona
 1915
 
 
 | _Horn_MCZ.jpg) Specimen Type: lectotype
 Institution: MCZ Museum of Comparative Zoology, Harvard University, Cambridge, MA, USA
 Photographer: P. Naskrecki, P. Perkins, and B. Farrell
 Collection Location: Arizona
 1917
 
 
 |  | _Horn_MCZ.jpg) Specimen Type: lectotype
 Institution: MCZ Museum of Comparative Zoology, Harvard University, Cambridge, MA, USA
 Photographer: P. Naskrecki, P. Perkins, and B. Farrell
 Collection Location: Arizona
 1918
 
 
 | _Horn_MCZ.jpg) Specimen Type: lectotype
 Institution: MCZ Museum of Comparative Zoology, Harvard University, Cambridge, MA, USA
 Photographer: P. Naskrecki, P. Perkins, and B. Farrell
 Collection Location: Arizona
 1919
 
 
 |  |  Photographer: Larry G. Bezark
 1916
 
 
 |  |