Wild-caught alterna, Hueco Mts., El Paso Co., TX. Collected by Alec Knight, 1973. Photo by Saul Friess, Staten Island Zoo.

Wild-caught male, Hueco Mountains, Hudspeth Co., TX. Photo © Kyle Vargas.

Wild-caught male, Hueco Mountains, Hudspeth Co., TX. Photo © Kyle Vargas.
Wild-caught female, Hueco Mountains, Hudspeth Co., TX. Photo © Kyle Vargas.
Captive-produced juvenile female, Hueco Mts., Hudspeth Co., TX.

Wild-caught female, Hueco Mountains, Hudspeth Co., TX. Photo © Kyle Vargas.

Wild-caught male, Hueco Mts., Hudspeth Co., TX. D. Long collection.
Captive-produced juvenile male, Hueco Mts., Hudspeth Co., TX.
Wild-caught female, Hueco Mts., Hudspeth Co., TX. D. Long collection.

Captive-produced juvenile female, Hueco Mts., Hudspeth Co., TX.
DOR found August 2008, Hueco Mts, just W of the El Paso / Hudspeth Co. line, TX. Photo © Chris Newsom.
Wild-caught female, Hueco Mts., Hudspeth Co., TX. D. Long collection.

Wild-caught male, Hueco Mts., Hudspeth Co., TX. D. Long collection.

F1 female, Hueco Mts., Hudspeth Co., TX. D. Long collection.
Wild-caught male, Hueco Mts., Hudspeth Co., TX. D. Long collection.
Wild-caught male, Hueco Mts., Hudspeth Co. TX. Photo by Gerold Merker.
Wild-caught alterna, Indio Mts., Hudspeth Co., TX. Photo by Jerry D. Johnson.

Wild-caught alterna, Hueco Mts., El Paso Co., TX, collected in 1972 (collector unknown). Photo courtesy of Richard Worthington.
Hueco Mts., Hudspeth Co., TX. Photo by Michael Price.