Mosquito program
GCWP implements a mosquito program on a yearly basis with funding from the Emergency Insect Management Grant administered by the Wyoming Department of Agriculture. Our goal is to monitor and treat densely populated areas with a high-risk factor of contracting West Nile virus.
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AERIAL APPLICATION
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POPULATION MONITORING
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ULV APPLICATION (FOGGING)
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Summer 2023 mosquito testing results: (updated Aug 21, 2023)
7/17, 8/14, 8/30 - Badger Town (East Torrington) Positive pool tested
8/7, 8/10 - Hawk springs Positive pool tested
8/15, 8/30 - Huntley Positive pool tested
8/30 - Dillman Positive pool tested
Traps are set weekly in these areas:
Table Mt, Hawk Springs, Veteran, North Canal
Huntley, Dillman, Badger Town, McKenna
Fogging Routes: (fogging takes place between 6-8pm)
Monday & Wednesdays - McKenna, Hawk Springs, Veteran, Huntley
Tuesdays & Thursdays - E. Torrington, West Torrington, Dillman, S. Torrington
Incorporated towns (Torrington, Lingle, Fort Laramie, LaGrange, Yoder) operate an independent schedule. Reach out to your Town Mayor for information on your town fogging schedules.
7/17, 8/14, 8/30 - Badger Town (East Torrington) Positive pool tested
8/7, 8/10 - Hawk springs Positive pool tested
8/15, 8/30 - Huntley Positive pool tested
8/30 - Dillman Positive pool tested
Traps are set weekly in these areas:
Table Mt, Hawk Springs, Veteran, North Canal
Huntley, Dillman, Badger Town, McKenna
Fogging Routes: (fogging takes place between 6-8pm)
Monday & Wednesdays - McKenna, Hawk Springs, Veteran, Huntley
Tuesdays & Thursdays - E. Torrington, West Torrington, Dillman, S. Torrington
Incorporated towns (Torrington, Lingle, Fort Laramie, LaGrange, Yoder) operate an independent schedule. Reach out to your Town Mayor for information on your town fogging schedules.
Why does GCWP MOnitor mosquitoes?
The main goal of the mosquito program is to monitor the population of mosquitoes which transmit West Nile virus (WNV). While only certain mosquito species transmit this virus, they happen to be common in Goshen county due to our climate and irrigation. Mosquitoes within the Culex genus, specifically Culex tarsalis, are the main vector for WNV. To monitor these mosquitoes, we collect specimens from areas known to have high Culex populations. These collections are typically taken on a weekly basis to determine the presence of WNV and the effectiveness of treatment. Once mosquitoes are trapped, they are sorted by genus and the Culex mosquitoes are tested for WNV. A weekly report published by the Wyoming Department of Health can be found here.
what are Culex Mosquitoes?
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Culex mosquito populations are highest in late summer when temperatures are hot. Since these are the specific mosquitoes we are targeting to prevent the spread of WNV, treatment timing is based on Culex populations.
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Aedes mosquitoes are typically most active during the day and prefer habitats close to humans. Although Aedes mosquitoes do not spread WNV, they are a nuisance pest and it is recommended to protect yourself from mosquitoes throughout the day.
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There are over 50 different species of mosquitoes just in Wyoming!
West Nile virus testing
GCWP monitors the presence of West Nile virus by testing collected mosquitoes. Here is a summary of the process!
1. Collect mosquitoes
2. Count and sort mosquitoes based on genus
3. Add 30 Culex mosquitoes, 1.0ml buffer solution, and 2 copper-coated ball bearings to dilution vial. Vortex 1-5 minutes or until there are no whole mosquito parts.
4. Centrifuge sample for 3-5 minutes.
5. Transfer 120 microliters into empty buffer vial. Using assay tip, mix sample 10 times then draw 10 microliters into assay tip and dispense into sample well of the test cartridge.
6. Dry sample at room temperature for 90 minutes then insert into RAMP instrument.
7. Record result.
2. Count and sort mosquitoes based on genus
3. Add 30 Culex mosquitoes, 1.0ml buffer solution, and 2 copper-coated ball bearings to dilution vial. Vortex 1-5 minutes or until there are no whole mosquito parts.
4. Centrifuge sample for 3-5 minutes.
5. Transfer 120 microliters into empty buffer vial. Using assay tip, mix sample 10 times then draw 10 microliters into assay tip and dispense into sample well of the test cartridge.
6. Dry sample at room temperature for 90 minutes then insert into RAMP instrument.
7. Record result.
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How can i protect myself from WNV?
Information is the greatest defense against West Nile virus! Our educational pamphlet will help you understand the life cycle of mosquitoes, how WNV is contracted, and how you can protect yourself by following the 3 D's. Through our monitoring efforts, we have over a decade of mosquito population data. Some areas are likely to have more mosquitoes! Check out our pamphlet and map below to learn more!
There are several products available to help control the mosquito population. If you have standing water (i.e. ponds, bird baths, stock tanks, etc.), we encourage the use of a larvacide treatment. These products contain a naturally-occurring bacteria, Bacillus thuringiensis (BTI), which is very safe for non-targets such as humans, livestock, and other insects. Most BTI products available at GCWP are FREE! Control mosquito larva before they get a chance to bite you!
what is gcwp's role?
GCWP helps with mosquito control by organizing aerial applications, monitoring mosquito populations, providing residents with larvacide, and ULV (fogging) applications. GCWP is affiliated with the Wyoming Mosquito Management Association and attends public events to provide information on mosquito control methods and prevention of WNV. For municipalities GCWP provides insecticide, equipment, and technical assistance.
ULV (fogging) application schedule (subject to change).
Incorporated towns (Torrington, Lingle, Fort Laramie, LaGrange, Yoder) operate an independent schedule.
ULV (fogging) application schedule (subject to change).
Incorporated towns (Torrington, Lingle, Fort Laramie, LaGrange, Yoder) operate an independent schedule.
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