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1 October 1991 Monthly Prevalences of Physaloptera retusa in Naturally Infected Yarrow's Spiny Lizard
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Abstract

The gastrointestinal tracts of 167 of 489 (34%) Yarrow's spiny lizards (Sceloporus jarrovii jarrovii) collected in Pima County, Arizona (USA) from October 1967 through January 1970 were infected with Physaloptera retusa. Of the infected lizards, 88 (18%) had only larvae, 45 (9%) had larvae and adults and 32 (7%) had only adult nematodes. The ratio of larval nematodes to adults was approximately 8:1. Monthly prevalences varied from 71% in April 1969 to 10% in July 1969; seasonal patterns of infection were not observed.

Charles R. Bursey and Stephen R. Goldberg "Monthly Prevalences of Physaloptera retusa in Naturally Infected Yarrow's Spiny Lizard," Journal of Wildlife Diseases 27(4), 710-715, (1 October 1991). https://doi.org/10.7589/0090-3558-27.4.710
Received: 21 January 1991; Published: 1 October 1991
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