The City of Laramie Mosquito Control has scheduled a spraying of Dibrom for rural areas near the city on Friday.
The application of the pesticide is slated for around 6:30 p.m., weather permitting. If the weather does not allow for the spraying, backup dates of Saturday through Monday have been scheduled.
...
West Nile virus is spread by mosquitoes that feed on infected birds, such as the woodpecker found in Laramie July 20, then bite people, animals or other birds.