Monitoring of mosquito vectors and arboviruses in Kanazawa, Ishikawa Prefecture, western central Japan.

Abstract

We monitored vector mosquitoes and arboviruses to clarify the vector mosquito population dynamics and the prevalence of viral possession. We collected 760 mosquitoes at five locations in Ishikawa Prefecture, Japan, in 2019. Aedes albopictus (Skuse) (Diptera: Culicidae) accounted for 73.3% of all mosquitoes collected, representing a high proportion for July to September. Moreover, the number and proportion of Ae. albopictus collected varied depending on location. RNA extracted from female Ae. albopictus was tested for Dengue, Chikungunya, and Zika viruses using RT-PCR assays. No viral genes were detected. We discuss the need to continue the monitoring of mosquito occurrences.