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Floodwater Mosquitoes vs. House Mosquitoes

 
 Volume/Number:  2011 May 13 
 Issuing Agency:   
 Description:  Weeks of rain and flooding in southern Illinois have made conditions ripe for mosquitoes. Floodwater mosquitoes (Aedes vexans and other species) typically appear approximately two weeks after heavy rains and flooding. While floodwater mosquitoes can be a nuisance, they are rarely infected with West Nile virus (WNV). However, as floodwaters recede into ditches, catch basins or other areas where water sits stagnant, house mosquitoes (Culex pipiens) will typically start to appear. House mosquitoes, in areas that have seen WNV in recent years, are often infected with the virus. 
 Date Created:  05 13 2011 
 Agency ID:  581**11 
 ISL ID:  000000036034   Original UID: 17161 FIRST WORD: Floodwater