July 22, 2015
MDAR/SRMCB Weekly Mosquito Report, Epi Week 28 (July 12-July 18) Norfolk County: Temperatures this week were about average, with highly localized areas of rainfall throughout the project area. Trap collections this past week indicate that Coquillettidia perturbans levels have peaked, however this is still the most abundant species in the traps, and levels remain high. Moderate levels of Ochlerotatus canadensis and Culiseta melanura are still being collected in light traps. Low numbers of Aedes vexans and Psorophora ferox continue to show up, and Culiseta morsitans is now also being collected in low numbers. Gravid trap collections still showed generally low numbers of Culex spp., with low levels possibly being attributable to flushing of containers/basins from recent heavy rains. Management activities this past week included evening ULV-spraying and catch basin larviciding.
July 16, 2015
Temperatures this week were slightly above normal, with an area of heavy rain moving across the district late Thursday night.CDC trap collections continued to show a sharp rise in numbers of Coquillettidia perturbans. Low numbers of Aedes vexans were detected in many traps, while Ochlerotatus excrucians was almost non-existent. Moderate amounts of Och. canadensis and Culiseta melanura were still being collected. Gravid trap collections showed generally low numbers of Culex spp., except for a trap in Randolph and 2 traps in Quincy which had high numbers. Management activities this past week included evening ULV-spraying, catch basin larviciding, monitoring of known hot spots for mosquito activity, and salt marsh larviciding following the high tide.
Please remember to use protective mosquito repellent when outdoors and to clean up any standing water around your home and fix holes in screens in your home.
June 29, 2015
The Norfolk County Mosquito Control District (NCMCD) conducts weekly, ground based, area-wide mosquito control applications. The NCMCD conducts these applications in Walpole evenings after sunset until midnight. Areas to be treated are based on mosquito surveillance and resident requests. The applications are conducted weather permitting; low temperatures and rain preclude applications.
NCMCD uses a product called Zenivex. The active ingredient in Zenivex has been tested and ...approved through the EPA for use in outdoor residential and recreation areas. It is the only mosquito adulticide on the market today that has received a reduced risk classification from the EPA. The product has a low toxicity profile for mammals, avians, and plants.
Residents who wish to request that the District spray in their area should fill out an online request form at the Districts website http://www.norfolkcountymosquito.org, or call the office at (781) 762-3681 any day, but before 10am on the day of application, to be included in that week’s application.
If any resident wishes to know where the District may spray in Walpole, they can visit the Districts website where an interactive map is available after 3:30 pm on that day showing locations where applications are scheduled to take place. Residents may also call an after-hours hotline (617 582-6216), after 3:30 pm on the day of spraying to find out if their street is to be included in the application for that evening.
If a resident wishes to be excluded from these area-wide applications they must follow state regulations which include sending a request for exclusion to the Town Clerk’s office. A request for exclusion must be made each year. More detailed instructions and a link to the state law are available on the Districts website.
April 2, 2015
Notice of Aerial Larval Control Application
Date: March 31, 2015
The Norfolk County Mosquito Control District will be conducting helicopter applications of the biorational larvicide Bti (Bacillus thuringiensis israelensis) to control mosquito larvae. These applications will be conducted over specific large wetlands in the Towns of: Avon/Bellingham/Braintree/Canton/Dedham/Dover/Foxboro/Franklin/HolbrookMedfield/Medway/Millis/Milton/Needham/Norfolk/Norwood/Plainville/
These applications will be conducted for 2 to 4 days, anytime between April 13, 2015 and April 24, 2015. As always, the weather in the spring is unpredictable. For this reason the District cannot pin down actual application dates with any more accuracy at this time.
The trade name of the granular formulations of Bti to be used is VectoBac GR (EPA Reg. #73049-486). For further information contact David A. Lawson, Director at Norfolk County Mosquito Control District at (781) 762-3681 or the Boards of Health in the towns listed above. Information is also available on line at www: norfolkcountymosquito.org
May 12, 2014
Notification of Late Evening Aerosol (ULV) Applications
Video on the Importance of Mosquito Control (Download)
January 28, 2014
Registration for exclusion from Wide Area Applications of pesticides for mosquito control open until March 1
Wide Area Applications of pesticides for mosquito control may be approved by the State Reclamation and Mosquito Control Board when it is determined the public health is at risk from mosquito-borne diseases. Property owners can be designated for exclusion from the spraying program by supplying the Town Clerk with a certified letter providing the name, address, and telephone number (if any) of the person requesting the exclusion, the address of the property to be excluded, and a description of the types of pesticide application programs for which exclusion is requested.
During spraying events, the persons who have designated their properties for exclusion must also clearly mark the boundaries of the properties designated for exclusion.
If you had designated your property for exclusion last year, you will be contacted about submitting your letter requesting exclusion for this year.
Please click here to visit the Norfolk County Mosquito Control District webiste for more detailed information.
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