The prairie rattlesnake, Crotalus viridis, was found to be commonly infected with third-stage Physaloptera larvae. A total of 112 larvae were fed to 3 laboratory raised cats. Adult worms recovered 42 and 59 days postinfection were identified as P. rara. Observations were made on the pathology of the larvae in the snake.
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1 April 1970
Development of Third-stage Physaloptera Larvae from Crotalus viridis Rafinesque, 1818 in Cats with Notes on Pathology of the Larvae in the Reptile. (Nematoda, Spiruroidea)
E. A. WIDMER