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1 August 2003 BOTS (DIPTERA: OESTRIDAE) INFESTING A NEOTROPICAL FOREST RODENT, PROECHIMYS SEMISPINOSUS (RODENTIA: ECHIMYIDAE), IN PANAMA
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Abstract
Botfly larvae (Cuterebra sp.) infesting spiny rats (Proechimys semispinosus) in 8 small islands in the Panama Canal were studied. Rats were live trapped monthly on each island from January 1991 through February 2000 and visually examined for the presence of bots. Overall, bot prevalence was 4.6% and differed statistically among island rat populations. Rats were simultaneously infested by as many as 4 bots. Overall bot intensity was 1.3 bots per infested rat and did not differ among islands. Mean bot density across all islands was 0.0111 and was greater during the dry seasons than during the rainy seasons, but it did not differ among islands. Bots were found during all the 12 calendar months, suggesting a multivoltine reproductive schedule. Although bot activity varied seasonally, there was little synchrony of bot activity among islands. Bot density was related negatively to rainfall but was not related to host density, suggesting that drier ambient conditions may promote reproduction by adult bot flies in this system.
Gregory H. Adler, Shannon L. Davis and Alejandra Carvajal "BOTS (DIPTERA: OESTRIDAE) INFESTING A NEOTROPICAL FOREST RODENT, PROECHIMYS SEMISPINOSUS (RODENTIA: ECHIMYIDAE), IN PANAMA," Journal of Parasitology 89(4), (1 August 2003). https://doi.org/10.1645/GE-3124
Received: 13 November 2002; Accepted: 1 February 2003; Published: 1 August 2003
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