Niveles de infestación y nuevos registros de Aedes aegypti (Diptera: culicidae) en la provincia de La Pampa, Argentina
; Breser, Victor J. ; Quirán, Estela M. ; Rossi, Gustavo Carlos 
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12/2014
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Sociedad Chilena de Entomología
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Revista Chilena de Entomología
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0034-740X
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Aedes aegypti Linnaeus es el principal vector del virus del dengue en Argentina. Mantener actualizado el conocimiento respecto a su distribución geográfica y abundancia es de gran importancia en la salud pública. El objetivo del presente estudio fue determinar el nivel de infestación en Santa Rosa, provincia de La Pampa y la presencia del vector en 8 localidades de la provincia. En Santa Rosa, los estadios larvales fueron recolectados en febrero 2012 de neumáticos usados y recipientes en cementerios mediante un cucharón de 300 ml. y posterior filtrado de su contenido. Para detectar la presencia del mosquito en las otras localidades, se recolectaron huevos en enero-marzo 2012 a través de ovitrampas. Se determinó la presencia de larvas del vector en 27 de los 29 neumáticos con agua revisados; los 11 recipientes con agua encontrados en cementerios de Santa Rosa fueron negativos. Se registraron ovitrampas positivas en otras 6 de las localidades inspeccionadas. Con estos registros se amplía la distribución de Ae. aegypti dentro de la provincia de La Pampa a 5 localidades: Eduardo Castex, General Acha, Intendente Alvear, Parera y Trenel.
Aedes aegypti Linnaeus is the main vector of dengue virus in Argentina. It is of great importance to public health to keep the knowledge of its geographic distribution and density up-to-date. The aim of this study was to determine the level of infestation in Santa Rosa, La Pampa and the presence of the vector in 8 towns from La Pampa Province. In Santa Rosa, the larval stages were collected in February 2012, from used vehicle tires and containers in cemeteries using a 300 ml dipper, and then filtering its content. To detect the presence of the mosquito in other towns, eggs of Ae. aegypti were collected using ovitraps. The existence of vector larvae was determined in 27 of the 29 tires with water. On the other hand, 11 containers with water found in cemeteries from Santa Rosa were negative. There were positive ovitraps in 6 towns reviewed. With these records the distribution of Ae. aegypti is extended in the province of La Pampa to 5 towns: Eduardo Castex, General Acha, Intendente Alvear, Parera and Trenel.
Aedes aegypti Linnaeus is the main vector of dengue virus in Argentina. It is of great importance to public health to keep the knowledge of its geographic distribution and density up-to-date. The aim of this study was to determine the level of infestation in Santa Rosa, La Pampa and the presence of the vector in 8 towns from La Pampa Province. In Santa Rosa, the larval stages were collected in February 2012, from used vehicle tires and containers in cemeteries using a 300 ml dipper, and then filtering its content. To detect the presence of the mosquito in other towns, eggs of Ae. aegypti were collected using ovitraps. The existence of vector larvae was determined in 27 of the 29 tires with water. On the other hand, 11 containers with water found in cemeteries from Santa Rosa were negative. There were positive ovitraps in 6 towns reviewed. With these records the distribution of Ae. aegypti is extended in the province of La Pampa to 5 towns: Eduardo Castex, General Acha, Intendente Alvear, Parera and Trenel.
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