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Revista biomédica
versión On-line ISSN 2007-8447versión impresa ISSN 0188-493X
Resumen
ROJAS-ARAYA, Diana et al. New records of Aedes albopictus (Skuse) in four locations of Costa Rica. Rev. biomédica [online]. 2017, vol.28, n.2, pp.65-73. ISSN 2007-8447. https://doi.org/10.32776/revbiomed.v28i2.572.
Introduction
Aedes albopictus (Skuse) is a vector of arboviruses that is widely-distributed. In Costa Rica the geographical expansion of Ae. albopictus has increased in the past decade, which requires updating knowledge about its distribution.
Objective
To report the finding of Aedes albopictus in new localities of Costa Rica.
Materials and Methods
Immature stages of mosquitoes that were morphologically suggestive of Ae. albopictus were collected in localities of the provinces of Puntarenas (Chira island and Golfito), Guanacaste (Liberia), Alajuela (Upala), San José (Acosta) and Heredia (Sarapiquí). Specimens were fixed in 70 % ethanol, cleared in lactophenol, and identified using dichotomous keys.
Results
The species identified were: Ae. albopictus, Aedes aegypti, Haemagogus equinus, and Haemagogus iridocolor-H. Lucifer. The ones of Ae. albopictus were in the following container types: plastic container, water tank, plastic tarp, bucket, tire, roof gutter, swimming pool, flower pot and rubber boot. This is the first scientific report of Ae. albopictus in Liberia (Guanacaste), Chira island and Golfito (Puntarenas), and Upala (Alajuela).
Conclusions
There is evidence of the expansion of Ae. albopictus in Costa Rica. Emphasis is given as to the need for a precise microscopical diagnosis, since Ae. albopictus larvae may coexist with other species that may be difficult to differentiate, such as Ae. aegypti and some species of Haemagogus. Considering that Ae. albopictus is a competent vector for dengue (DENV), chikungunya (CHIKV), and Zika (ZIKV) viruses, further investigation of its role in virus transmission is recommended in these areas, as well as displacement and/or coexistence with species like Ae. aegypti.
Palabras llave : dengue; chikungunya; Zika; Aedes albopictus; Culicidae; Costa Rica.