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Destroy webs once removed (burn, soak for an extended period in soapy water, or dispose of in trash). For Smaller Trees & Shrubs +īrowntail web removal: Webs in small trees and shrubs, safely within reach of the ground, and without hazards such as powerlines, can be removed between October and April. For more information, please visit and check the daily forest fire danger report. This type of burning requires a burn permit. Never burn unless the branches have been clipped off. Females attracted to an area by lights tend to hang out in host tree foliage and are not captured in high numbers with these methods.įocus management on populations that will directly impact people, pets and livestock or pose a high risk of contributing to spread. It will also attract more browntail moths to the area. It will kill insects that might help control browntail moth and other pests as well as browntail moths.
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Sensitive individuals who encounter the hairs may develop a skin rash similar to poison ivy and/or trouble breathing. Microscopic, toxic hairs break off the caterpillars and can be airborne or settled on surfaces in browntail moth infested areas. While feeding damage may cause some concern, the primary impact on humans by browntail moth results from contact with poisonous hairs produced by the caterpillars.
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Learn More: How to Identify Maine’s Main Defoliating Caterpillars (YouTube) / Life Cycle of Browntail Moth (PDF) Larval feeding causes reduction of growth and occasional mortality of valued trees and shrubs. The larval stage (caterpillar) of this insect feeds on the foliage of hardwood trees and shrubs including: oak, shadbush, apple, cherry, beach plum, and rugosa rose. Where is Browntail Moth Found in Maine?.Browntail moth populations are again building in Maine and are found in patches along the coast and up to 60 miles inland from the western Maine border to the New Brunswick border, with the greatest concentrations in mid-coastal Maine and the capital region.
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Since that time, populations of this pest slowly decreased due to natural controls until the 1960's, when browntail moth was limited to Cape Cod and a few islands off the Maine coast in Casco Bay. By 1913, the insect had spread to all of the New England states and New Brunswick and Nova Scotia. The browntail moth is an insect of forest and human health concern which was accidently introduced into Somerville, Massachusetts from Europe in 1897.
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National Fire Danger Rating System Description.Woods Wise Incentives to Stewardship Enhancement.Selecting a Private Consulting Forester.What's ailing my tree/shrub/forest report form.Forest Insect & Disease Conditions Reports.
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