Mosquito & Chemical Application Hotline

Updated Wednesday, April 8th 2020 @ 3 PM (Final update for the day will be at 4:00 pm.)


West Nile virus Risk: Level 0 (No Risk)

Adult Mosquito Fogging: N/A   View In-Town Map

Zones:  None scheduled at this time

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, one hundred and two (102) mosquito pools have been tested for West Nile virus. Four (4) samples (out of the 102) 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: Thursday, April 9th 

Location: Cemetery 

Chemical: Rodeo and Powerzone

Broadleaf Weeds: N/A



Bareground: N/A



Applications will begin at 7:00 AM.

All applications are on a weather permitting basis.

Hotline information regarding chemical applications on city owned properties will be updated daily at 4:00 PM. 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.