Pituophis lineaticollis

Pituophis lineaticollis, commonly known as the Middle American gopher snake or the cincuate bull snake, is a species of nonvenomous snake in the family Colubridae. The species is native to Guatemala and southeastern Mexico. There are two recognized subspecies.

Geographic range
P. lineaticollis is found in Guatemala and in the Mexican states of Chiapas, Guerrero, Jalisco, Mexico, Michoacán, Morelos, Oaxaca, and Querétaro.

Habitat
The preferred natural habitat of P. lineaticollis is forest, at altitudes of 800 –.

Description
The longest specimen of P. lineaticollis measured by Boulenger in 1894 had a total length of 1.5 m, which included a tail 23 cm long.

Reproduction
P. lineaticollis is oviparous.

Subspecies
Two subspecies are recognized as being valid, including the nominotypical subspecies.
 * Pituophis lineaticollis gibsoni Stuart, 1954
 * Pituophis lineaticollis lineaticollis (Cope, 1861)

Etymology
The subspecific name, gibsoni, is in honor of Colvin A. Gibson (born 1918), a physician who specialized in tropical medicine.