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Ann Trop Med Parasitol. 2005 Mar;99(2):193-201.

Relative abundances of sandfly species (Diptera: Phlebotominae) in two villages in the same area of Campeche, in southern Mexico.

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Centro de Investigaciones Regionales 'Dr Hideyo Noguchi', Universidad Autónoma de Yucatán, Avenida Itzaes 490, Mérida, Yucatán 97000, Mexico.


Leishmania mexicana is the parasite causing most cases of human cutaneous leishmaniasis in southern Mexico, where Lutzomyia olmeca olmeca and Lu. cruciata are the most probable vectors. In the present study, sandflies were collected during one transmission season (November 2001-March 2002) in the village of La Guadalupe and the nearby village of Dos Naciones, in the southern Mexican county of Calakmul. Using Shannon traps, Disney traps and CDC light traps, 5983 sandflies (Brumptomyia and Lutzomyia) were caught. In Dos Naciones the numbers of Lu. panamensis caught in Shannon or CDC traps outnumbered those of the other sandfly species. In La Guadalupe, in contrast, the most abundant species in the collections made with Shannon or CDC traps was Lu. cruciata , followed by Lu. olmeca olmeca and Lu. deleoni. In both locations, the numbers of sandflies attracted to Shannon traps peaked between 18.00 and 22.00 hours. Given the abundance of Lu. olmeca olmeca in the collections made with Shannon and Disney traps (it was the only species caught in the latter), this species is probably the primary vector of Le. mexicana in Calakmul county.

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