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Distribution of Malaria in Anolis Lizards of the Luquillo Forest, Puerto Rico: Implications for Host Community Ecology
Jos J. Schall and Stephen P. Vogt
Vol. 25, No. 2 (Jun., 1993), pp. 229-235
Published by: Association for Tropical Biology and Conservation
Stable URL: http://www.jstor.org/stable/2389187
Page Count: 7
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Five species of Anolis lizards of the Luquillo forest, Puerto Rico were surveyed for infection with malarial parasites. Two species of parasite, Plasmodium floridense and P azurophilum. commonly infect Anolis gundlachi. P. azurophilum also very rarely infects A. stratulus, A. krugi. A. evermanni, and A. cristatellus. For A. gundlachi, males are more often infected, and percent of animals infected increases with body size, but percent infected decreases for the very largest body size class in males. P azurophilum is far more common than P floridense, and the two parasite species appear to associate randomly into mixed infections with no evidence for interspecific competition between malaria species. Infected A. gundlachi have a greater prevalence of injured tails. The five anole species differ by body size (three large and two small species) and habitat used (shady cool places vs sunny warmer locations). A. gundlachi and A. evermanni are the only species that are similar in size that are often found in the same locations. Malarial infection may mediate competition between these two species of lizards.
Biotropica © 1993 Association for Tropical Biology and Conservation