ABSTRACT
Introducción. Aedes albopictus es vector de arbovirus, como Flavivirus, Alphavirus, Bunyavirus, Phlebovirus, Orbivirus y Picornavirus. Muchos son agentes etiológicos de enfermedades en humanos. Actualmente, A. albopictus se encuentra en expansión geográfica por su adaptación a diversos ambientes y tipos de criaderos. En Colombia, este mosquito fue reportado por primera vez en 1998 y, hasta el momento, se ha registrado en 10 departamentos. Objetivo. Determinar la presencia de A. albopictus en Yopal, Casanare. Materiales y métodos. En una búsqueda activa de larvas de A. aegypti en la zona industrial de Yopal, se observaron por primera vez mosquitos adultos de A. albopictus. Por lo anterior, se realizó la inspección en el intradomicilio y el peridomicilio de las viviendas en ocho localidades del municipio, en la cual se recolectaron larvas y pupas al inspeccionar hábitats larvarios, y hembras adultas, mediante capturas sobre atrayente humano protegido. Resultados. Se identificaron 755 larvas de mosquitos, 71,5 % de A. aegypti, 24,8 % de A.albopictus, 3,2 % de Culex quinquefasciatus y 0,8 % de C. coronator y C. nigripalpus. Se capturaron 37 mosquitos adultos de A. albopictus. Los depósitos con mayor abundancia de este vector fueron las llantas. Conclusión. Ante la presencia de A. albopictus se sugiere intensificar el sistema de vigilancia entomológica para detectar nuevas poblaciones dentro del departamento y en las áreas cercanas. Se debe poner atención a los criaderos artificiales de las zonas cercanas a los parqueaderos de vehículos de transporte de alimentos, insumos y maquinaria, procedentes de áreas con presencia del vector.
Introduction: Aedes albopictus is an arbovirus vector, such as Flavivirus, Alphavirus, Bunyavirus, Phlebovirus, Orbivirus and Picornavirus. Many are etiological agents of diseases in humans. Currently, A. albopictus is in geographical expansion due to its adaptation to different environments and breeding sites. In Colombia this mosquito was first reported in 1998 and currently it has been registered in 10 departments. Objective: To determine the presence of A. albopictus in Yopal, Casanare. Materials and methods: In a search of larvae of A. aegypti in the industrial zone of Yopal adult mosquitoes of A. albopictus were observed for the first time. Then, the inspection was carried out in the indoor and outdoor of houses in eight localities of the municipality, in which larvae and pupae were collected by inspection of breeding sites and adult females were captured by human landing catches. Results: Seven hundred and seventy-five larvae were identified, 71.5 % larvae of A.aegypti, 24.8 % of A. albopictus, 3.2 % of Culex quinquefasciatus and 0.8 % of C. coronator and C. nigripalpus. Thirty-seven adult mosquitoes of A. albopictus were collected. The most abundant breeding sites of this vector were tires. Conclusion: Given the presence of A. albopictus we suggest to intensify the entomological surveillance system to detect new populations within the department and nearby areas. Attention should be given to artificial breeding sites located in areas close to the parking of vehicles of transport of foods, supplies, and machinery from areas with the presence of the vector.