Entomological Identification of Aedes spp. Supporting Dengue Early Warning in Samarinda
DOI:
https://doi.org/10.56744/irchum.v5i1.128Keywords:
Aedes aegypti, Aedes albopictus, dengue, mitigation, ovitrapAbstract
Dengue fever remains a major public health challenge in tropical urban areas and may increase following environmental disturbances and hydrometeorological disasters that create favorable mosquito breeding habitats. Baseline information on Aedes species may also contribute to preparedness and inform future vector surveillance strategies in vulnerable communities. This study aimed to identify the species composition of Aedes spp. collected using ovitraps in Lempake Subdistrict, Samarinda, East Kalimantan. A descriptive entomological survey was conducted in residential areas with previous dengue case reports. A total of 98 ovitraps were placed indoors and outdoors and monitored for seven days. Larvae collected from positive ovitraps were identified microscopically based on morphological identification keys. The results identified two medically important dengue vectors, namely Aedes aegypti and Aedes albopictus. A total of 148 larvae were identified as Aedes aegypti, while 140 larvae were identified as Aedes albopictus. The slightly higher abundance of Aedes aegypti indicates the presence of both vector species within the residential environment, with Aedes aegypti being marginally more abundant during the surveillance period. The coexistence of both species demonstrates that dengue vectors are established in the study area. These findings provide baseline entomological information that may support continued vector surveillance and serve as a reference for future monitoring of changes in Aedes populations, including under environmental or disaster-related conditions.
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