Distribution and abundance of phlebotominae, vectors of leishmaniasis, in Argentina: spatial and temporal analysis at different scales

• Autores: Quintana, María Gabriela; Fernández, María Soledad; Salomón, Oscar Daniel
• Año de publicación: 2012
• Idioma: inglés
• Tipo de recurso: artículo
• Fuente: Journal of Tropical Medicine 2012; 2012:1-16
• Materia: Leishmaniasis; Insectos; Humanos; Leishmaniasis Visceral; Argentina
• Institución: Administración Nacional de Laboratorios e Institutos de Salud "Dr. Carlos G. Malbrán"

Fil: Quintana, María Gabriela. Universidad Nacional de Tucuman. Facultad de Ciencias Naturales. Instituto Superior de Entomología; Argentina.
Fil: Fernández, María Soledad. ANLIS Dr.C.G.Malbrán. Centro Nacional de Diagnóstico e Investigación de Endemo-Epidemias; Argentina.
Fil: Salomón, Oscar Daniel. Instituto Nacional de Medicina Tropical; Argentina.
The spatial-temporal analysis of the abundance of insects, vectors of tegumentary leishmaniasis (TL) and visceral leishmaniasis (VL), was performed in Argentina using spatial-temporal increasing scales. In the microscale (microfocal), the effect of the primary vegetation-crop interface in vector abundance was observed, and also how the shelters, food sources, and other environmental characteristics contribute to habitat microheterogeneity and so to a microheterogeneous vector distribution. In the mesoscale (locality or epidemic focus), the results from different foci of TL (rural and periurban) and VL (urban) suggested a metapopulation structure determined partially by quantifiable habitat variables that could explain the increase of risk associated to an increase of vector-human contact due to climatic or anthropogenic changes. In the macroscale (regional), captures of vectors and records of human cases allowed the construction of risk maps and predictive models of vector distribution. In conclusion, in order to obtain valid results transferrable to control programs from spatial studies, special attention should be paid in order to assure the consistency between the spatial scales of the hypotheses, data, and analytical tools of each experimental or descriptive design.