To find out if you live in the treatment area, enter an address or intersection into the search box. The egg masses will remain all winter and caterpillars will hatch in the spring, from late April to mid-May. The eggs are covered with fine brown hairs from the female’s abdomen. as well as under rocks and forest floor debris. The female lays eggs in masses of 100 to 1000 on tree trunks, branches, houses, fences, etc. The female is mostly white and has a wingspan between 60 to 70 mm. The male moth is dark brown to beige, medium-sized, and is a very erratic flyer. Both sexes have wings, but only the males can fly. Pupation occurs in a cocoon which can be found on a variety of surfaces including trees, rocks, houses, boats, trailers, fences, picnic tables, and firewood. Feeding is normally completed by early to mid-July. Larvae have five pairs of blue and six pairs of red spots along their backs. As the larvae develop, they feed on the edge of leaves. The eggs hatch in the spring and the young larvae begin feeding by cutting small holes in the surface of leaves. LDD moths spend the winter as partially developed larvae in eggs. It is now well established throughout southern Ontario and as far north as Sault Ste. It was first detected in Ontario in 1969 and has quickly spread across southern Ontario. Since then, the LDD moth has expanded its range over much of the eastern United States and Canada. Lymantria Dispar Dispar (LDD Moth) is an invasive forest pest that was introduced accidentally in the United States in 1869. Residents can request 48 hour advance notice by contacting the Customer Contact Centre 905-546-CITY (2489) or 1-87 toll free. View the Safety Data Sheet (SDS) for Btk pesticide English version | French version Each treatment area will be sprayed twice, with the second application occurring seven to 10 days after the first application. The exact dates and time for the aerial spray are weather dependent and the City will share up to date details 48 hours prior to each application on this webpage and the City’s Twitter channel. The helicopter will be flying at low altitudes, approximately 15 metres above tree tops, between approximately 5 am and 7:30 am on the scheduled spray dates. To see if your property is within the area, add your address into the interactive map below. The first aerial spray will be completed by 9 am on Tuesday, May 24 and a second spray date will be scheduled, dependent on weather and pest emergence, approximately 5 to 10 days after the first aerial spray.īetween and June 15, 2022, the City of Hamilton will be administering an LDD Moth Control Program by applying a bio-pesticide (Foray 48 Biological Insecticide Aqueous Suspension PCP# 24977) will be applied to wooded properties and residential streets in East and West Hamilton, Ancaster, Dundas and Waterdown, to help manage the infestation on city-owned properties. Update: As a result of upcoming rain and higher temperatures, the spray program has been modified so that the first phase of the spray program can be completed in one day instead of two. Notice of first phase of LDD Moth aerial spray - May 24, 2022Īs part of the City’s aerial spray program to address areas where significant LDD Moth (previously referred to as Gypsy Moth) populations are located in Hamilton, a bio-pesticide applications is scheduled for Tuesday, between 5 am and 9 am, weather permitting. Update: The second phase of the spray program was able to be completed in one day instead of two, and an aerial spray is no longer scheduled for Wednesday, June 1, 2022." Residents may experience minor traffic delays during this time. Notice of second phase of LDD Moth aerial spray - CompleteĪs part of the City’s aerial spray program to address areas where significant LDD Moth (previously referred to as Gypsy Moth) populations are located in Hamilton, the second of two bio-pesticide applications was scheduled for Tuesday, May 31, 2022, 5 am to 7:30 am and Wednesday, June 1, 2022, 5 am to 7:30 am.ĭuring this time, low flying helicopters will begin applying an organic biological insecticide to wooded properties and residential streets in east and west Hamilton, Ancaster, Dundas and Waterdown, to help manage the infestation on City-owned properties.
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