What pesticide product is used in ultra-low volume (ULV) ground sprayings?
Merus 3.0 ™, an organic pesticide, will be used during ULVspraying of your neighborhood. The active ingredient is 5% natural pyrethrins, which is derived from flowers of chrysanthemum plants. Merus™ is a low-odor formulation with no petroleum distillates, is Organic Materials Review Institute (OMRI) listed. and meets National Organic Program (NOP) standards for adult mosquito control in and around organic gardens, farms and crops.
How does ULV spraying work?
ULV sprayers use large volumes of air at low pressures to transform pesticides in liquid form into droplets that are dispersed into the atmosphere. ULV sprayers deliver very small amounts of pesticide optimized for mosquitoes. The dose is specifically designed for insects the size of mosquitoes.
When will spraying be conducted?
To minimize exposure, spraying will be conducted between 9 pm and 5 am, when most residents are indoors.
How persistent is Merus 3.0 in the environment?
Pyrethrins, the active ingredient in Merus™ 3.0, break down quickly in the environment and are non-persistent. The half-life of pyrethrins in the presence of sunlight ranges from 4 to 8 hours. Pyrethrins do not bioaccumulate.
Will mosquito spray treatments harm humans or pets?
Mosquito control treatments using EPA-registered products, when applied correctly, will not harm humans or pets.
Could there be health concerns for pregnant women?
As with all chemical exposures, pregnant women should take care to avoid them.
What kinds of precautions are recommended if spraying is scheduled in your area?
The active ingredients of the pesticide product used for mosquito control generally break down quickly and do not leave a toxic residue. You can reduce/eliminate your exposure to the pesticide by staying indoors during spraying. Otherwise, no special precautions are suggested.
Do you need to cover plants before a mosquito spray treatment? Are garden veggies safe to eat after a treatment?
Plants and garden beds do not need to be covered or harvested before a treatment. Just use the same practice that should be followed with grocery or market produce and rinse with water and a mild detergent before consuming.
What are the impacts of mosquito spray treatments on bees?
Merus™ is toxic to bees when if the bees are exposed to direct treatment
. This would typically occur while bees are actively foraging,
which occurs during the daytime. To minimize exposure, spraying will be conducted between 9 p.m. and 5 a.m. Impacts to bee colonies are not expected since bees are inside hives at night. Also, the dose used for spraying is specific to mosquitoes, which are much smaller than most beneficial insects, including bees. Registered beekeepers and local beekeeper associations are notified about the spraying in advance.
Where can additional information about Merus™ 3.0 be found?
Pesticide labels contain detailed information on how to use the product correctly and legally. Labels also contain information on potential hazards associated with the product and instructions that should be followed in the event of poisoning or spills. Merus™ information can be found at https://www.clarke.com/filebin/productpdf/merus3.0.pdf
A safety data sheet, or SDS, is written or printed material concerning a hazardous chemical that is prepared by the manufacturer or the company selling the product. An SDS describes the physical and chemical properties of the product according to specific guidelines. The Merus™ 3.0 SDS can be found at https://www.clarke.com/filebin/productpdf/merus3.0-sds.pdf