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West Nile Virus Surveillance Update

West Nile Virus Surveillance Update

Testing for West Nile Virus is being conducted on Dear Flat National Wildlife Refuge,and various locations through Canyon County including Caldwell near the Boise River, Middleton area, Parma, Greenleaf, Wilder, Melba near the Snake River, and sections of Nampa.

Traps a deployed in the evening hours and retrieved the next morning. Vector (Culex species) are separated and tested for West Nile Virus. West Nile virus positive trap locations will be posted on our webpage as results are verified

WEST NILE VIRUS UPDATE
Trapping data and West Nile Virus testing data as of July 24:

56 test pools have been conducted with one WNV+ location near Roswell Marsh south of Hwy 19 near Oregon State line. The mosquitoes testing positive are Culex erythrothorax or Tule Mosquito.

Culex tarsalis (Western Equine Encephalitis Mosquito) numbers continue to decline.

The week ending July 17 found 4 WNV+ sites: One on Deer Flat National Wildlife Refuge and 3 sites west of Parma near Fort Boise Wildlife Management Area. After 6 days of larvicide applications by air and ground and truck mounted night time ULV ("fogging"), follow up trapping completed this week (July 24) show no West Nile virus is these areas.

So far no human or animal cases of West Nile Virus have been reported in Canyon County.

CDC CO2 baited light trap pictured

MOSQUITO OF THE MONTH:  Culex erythrothorax or Tule Mosquito

MOSQUITO OF THE MONTH: Culex erythrothorax or Tule Mosquito

The Tule Mosquito or Culex erythrothorax is relatively uncommon to SW Idaho (except for this year) where two of CCMAD surveillance traps have shown huge numbers being trapped. Five test pools of Culex erythrothorax have tested positive for West Nile Virus

This species overwinters as a female or larvae. The mosquito is most active at twilight and night and in production habitats such as wetlands/marshes.

They are easily identified because of their reddish brown color! see Photo.

Mosquito 101

pdf file Mosquito 101

West Nile Virus - What You Should Know

pdf file West Nile Virus - What You Should Know

Mosquito Control Around the Home

pdf file Mosquito Control Around the Home

Water Wise Facts to Control Mosquitoes

pdf file Water Wise Facts to Control Mosquitoes

Canyon County Pollinator Protection Management Plan

Canyon County Pollinator Protection Management Plan

Board of Trustees News

BOARD OF TRUSTEES MEETING SCHEDULE FOR 2015

February 17
March 17
April 21
May 19
June 16
July 21 Location will be at 15754 Lakeshore Drive, Caldwell. Board meeting and budget working meeting
Budget Hearing Aug 25 and monthly Board meeting.
Sept 15
Oct 20
Nov 17
December meeting and location to be determined.

ALL MEETINGS LOCATION ARE AT THE CANYON COUNTY MOSQUITO ABATEMENT DISTRICT CONFERENCE ROOM LOCATED AT: 9719 BOOKER LANE, NAMPA

For information on all Board Meeting, to view agendas and minutes, please contact Board Clerk, District Director, Ed Burnett at 461-8633.

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