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Memórias do Instituto Oswaldo Cruz
Print version ISSN 0074-0276
FUENZALIDA, Ana Denise; QUINTANA, María Gabriela; SALOMON, Oscar Daniel and GROSSO, Mercedes Sara Lizarralde de. Hourly activity of Lutzomyia neivai in the endemic zone of cutaneous leishmaniasis in Tucumán, Argentina: preliminary results. Mem. Inst. Oswaldo Cruz [online]. 2011, vol.106, n.5, pp. 635-638. ISSN 0074-0276. http://dx.doi.org/10.1590/S0074-02762011000500020.
In the present work, the hourly activity of Lutzomyia neivai was studied in the southern part of the province of Tucumán, Argentina, in an area of transmission of cutaneous leishmaniasis during two months of higher activity. In addition, the variables that influenced the abundance of Lu. neivai were evaluated. A total of 1,146 individuals belonging to Lu. neivai (97%) and Lutzomyia migonei (3%) were captured. The hourly activity of Lu. neivai was mainly nocturnal, with a bimodal pattern in both months. In January, the variable that most influenced the abundance of Lu. neivai was the temperature, whereas in April, that variable was humidity. These results may contribute to the design of anti-vectorial control measures at a micro-focal scale.
Keywords : hourly activity; Lutzomyia neivai; Argentina.