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Asansol: A scientist at Burdwan University in Bengal has challenged the established theory that the Aedes mosquitoes, responsible for dengue and other fatal fevers, bite maily during day hours.

The scientist, a professor in the zoology department at Burdwan University, has arrived at the conclusion after having researched mosquito behaviour over the past 30-years.

According to professor Gautam Chandra, the Aedes mosquitoes remain most active during 7 am-10 am and 3 pm-6 pm, but they do bite at night hours as well. This happens whenever and wherever these mosquitos see light after dusk as this turns them active.

Chandra added that the Aedes mosquitoes can fly up to 40 feet and can travel up to 150 metres and thus chances of such mosquitoes foraying from one village to another is almost nil.

He has suggested that spraying insecticides and fumigation drive should be undertaken in comparatively darker areas of people’s houses such as under the staircase, in electric metre room, etc. as the Aedes mosquitoes tend to take rest in these places.

Carrying out insecticide spray and fumigation in open areas and away from households might drive these misquotes to take refuge in the homes and cause mayhem, he said.