Population dynamics of mosquitoes (Diptera: Culicidae) and their disease-harboring rates in Gyeonggi province, South Korea

•Population dynamics of mosquitoes were monitored from 2017 to 2019 in South Korea.•Population peak was observed in August and September from survey sites conducted.•Dominant mosquito species were varied between suburban residential and rural area.•From the pools tested, three pools were positive for Japanese encephalitis virus.