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Revista de Saúde Pública

On-line version ISSN 1518-8787


TEODORO, Ueslei et al. Ecology of Lutzomyia (Nyssomyia) whitmani in an urban area in Brazil. Rev. Saúde Pública [online]. 2003, vol.37, n.5, pp.651-656. ISSN 1518-8787.

OBJECTIVES: To study the fauna, hours of activity and seasonality of phlebotomines in forest animal habitats in the Ingá Park, on the urban perimeter of the municipality of Maringá, Paraná State, Brazil. METHODS: Phlebotomines were collected on the urban perimeter using Shannon traps from 6:00 p.m. to 6:00 a.m. and Falcão traps from 8:00 p.m. to 12:00 midnight, on two nights per month from October 1998 to September 2000. The Shannon traps were installed close to forest animal habitats and on the banks of the Moscados stream; the Falcão traps were placed in shelters for captive birds, forest mammals and reptiles. RESULTS: The Shannon traps yielded 13,656 phlebotomines, with predominance of Lutzomyia whitmani (98.7%). The Falcão traps yielded 4,040 phlebotomines, with L. whitmani again predominating (96.3%). L. whitmani was most frequently found between 12:00 midnight and 2:00 a.m. in the Shannon traps. This species was most frequently collected in the months of August (55.1%) in the Shannon traps, and in March 1999 (19.2%), November 1999 (15.9%) and August 2000 (20.6%) in the Falcão traps. More phlebotomines were collected in Falcão traps installed in shelters for captive mammals (84.0%). CONCLUSION: There was a clear predominance of L. whitmani in the Ingá Park. The greatest frequency of L. whitmani was in August from Shannon traps, and in March and November from Falcão traps. The peak activity of L. whitmani took place between 12:00 midnight and 2:00 a.m.

Keywords : Psychodidae; Leishmaniasis, cutaneous; Ecology, vectors; Insect vectors; Seasonal variations; Urban zones; American tegumentary leishmaniasis; Phlebotominae sandflies; Lutzomyia whitmani.

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