Crossword clues for pituophis pituophis Bull snakes The Collaborative International Dictionary Related phrases: Pituophis melanoleucus Pituophis Sayi Wikipedia Pituophis Pituophis is a genus of non venomous colubrid snakes commonly referred to as gopher snakes, pine snakes, and bull snakes, which are endemic to North America. Related phrases: Pituophis melanoleucus