Mosquito & Chemical Application Hotline

Updated Tuesday, July 16th, 2019 @ 3:00 PM (Final update for the day will be at 4:00 pm.)


West Nile Virus Risk: Level 1 (Low Risk)

Adult Mosquito Fogging: Tuesday, July 16th @ 8pm-2am   View In-Town Map  

Zones: West, Parks, Greenbelt, Athletic Fields, Fairgrounds

Chemical: Zenivex E4 RTU

Center for Disease Control (CDC) : What You Need to Know About Truck Spraying

West Nile Virus (Wnv) Surveillance Update: In 2019, twenty-two (22) mosquito pools have been tested for West Nile Virus. Two (2) samples (out of the 22) tested positive for West Nile Virus. 

Larval Mosquito Control:

Mosquito control will be applying Bti to control larval mosquitoes in irrigated and wetland areas in and around Laramie on a daily basis

Chemical: Aquabac XT (Bti- Bacillus thuringiensis subspecies israelensis)

Center for Disease Control (CDC) : WHAT YOU NEED TO KNOW ABOUT BTI


Noxious Weeds: Wednesday, July 17th



Broadleaf Weeds:  Wednesday, July 17th

Location:  Greenhill Cemetery, Labonte Park

Chemical: T-Zone

Bare-ground Applications:  Wednesday, July 17th

Location: Optimist Park

Chemical: Rodeo, Prodeuce

Applications will begin at 5:00am. 

All applications are on a weather permitting basis.

Hotline information regarding chemical applications on City owned properties will be updated daily at 4pm. Call 721-5056 or click on the Mosquito and Chemical Application hotline tab on the City of Laramie home page. 

All applications are on a weather permitting basis.