Aedes mosquito, Dengue fever & Chikun Guniya are hot topics of many a place including Kerala & India for more than a decade now. Some of our experts proclaimed that Aedes mosquito, which is the vector of fatal Dengue & nonfatal Chikun-guniya fevers, bites ONLY during daytime. Our society at large accepted this as they are seen biting during daytime. See the pictures below of Aedes mosquitoes biting me at 10:06 AM & at 21:52 hours (9:52 PM).
Aedes mosquitoes bite during day as well as night time!