Dengue mossies change shifts

... get really dirty


By Nimal Gunathilake

A recent research conducted by the Department of Zoology of the Kelaniya University had revealed that dengue mosquitoes had changed their stinging times, Director General of Health Services Dr. Palitha Mahipala said yesterday.

Dr. Maheepala said dengue mosquitoes had once been active from 7.00 am to 9.00 am and from 3.00 pm to 5.00 pm. But, now, they stung humans from 10.00 am to 12 noon and from 2.00 pm to 4 pm, he said.

The dengue mosquito had been earlier known to lay eggs only in clean water, but the recent research had found that the mosquitoes laid eggs even in unclean water, Dr Mahipala said.

He said that the research had been conducted by a team of academics led by Prof. Deepika Samarasinghe of the Department of Zoology of the Kelaniya University.


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