As autumn sets in, mosquitoes are making a comeback, much to many people’s surprise (and annoyance). Despite cooling temperatures, mosquitoes are buzzing around, with many sneaking into homes. Why Are Mosquitoes Back?Seoul City’s mosquito forecast for October 1–21 classified mosquito activity as “caution,” with outdoor larvae habitats still active. The milder fall temperatures allow mosquitoes to thrive, especially since the intense summer heat kept many in check. This year’s extended warm weather, with daytime temperatures hovering around 77°F (25°C) through mid-October, has made fall especia…