Nimby Wild, Pest Control and Environmental Solutions

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Wildlife Control Toronto and GTA

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Container Fumigation, Bird Cannons, Pallet Treatments, Weed Control

FALL Pest Problems

SUMMER Pest Problems

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Tent Caterpillars





What is a Tent Caterpillar?

Tent Caterpillars (Specifically Easter Tent Caterpillars in Canada) get their name from the fact that their nests look like tents.  When the young hatch from their eggs they gather together in the branch of a tree and spin a tent out of silk.  This silk tent is used as protective housing for the caterpillars to gather in during cool nights.  During the day, tent caterpillars will leave the safety of the nest to feast on the leaves of the surrounding tree.  Tent Caterpillars are the most destructive caterpillars in North America, capable of stripping trees completely bare.

Tent Caterpillars will be seen during the spring when eggs laid the previous fall hatch into young caterpillars.  While there are tent caterpillars hatching each summer outbreaks occur approximately every 10 years in Canada.  Outbreaks can last up to two years and cause severe damage to trees.

What to look for:

In the Spring you will see obvious sign of a tent caterpillar infestation.   First is, of course, the tent-shaped nest as seen pictured on the left.  Other signs will be defoliation of the trees in your yard or field.  In the summer, look for tough, yellow-to-white cocoons on tree trunks, fences, debris and sheltered areas. In the fall, look for shiny, dark brown saddle-like cases which straddle or encase twigs of trees which are known to be susceptible to tent caterpillar infestations. 

Controlling Tent Caterpillar Populations:

Nimby Pest Management will destroy egg-cases and cocoons via removal and, if necessary, burning of the nests and/or cocoons.  If the tents are too large it may be necessary for your Nimby Professional to cut off the infested branches and burn or crush individual webs.

Biological Control
The bacterium B.t. (Bacillus thuringiensis), is a selective biological insecticide. After ingestion of vegetation treated with B.t., caterpillar larvae cease to feed and die within five days. Insects which do not have a larval stage in their development are not affected by B.t. Products which contain this bacterium are also non-toxic to mammals, birds and fish. 

Chemical Control
If an infestation of caterpillars is suspected, a dormant oil spray may be used on susceptible trees in late winter to smother the eggs before they hatch in early spring.

Products which contain methoxychlor, carbaryl, permethrin and resmethrin are registered for control of tent caterpillars. If the tent is within reach, break it open with a stick and direct the insecticide into it. Spraying is most effective in the evening, as the caterpillars return to the nesting area at night.

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  • TRUE 24 hour service! Answered by a Nimby professional not an answering service.
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Pest Identification

There are literally thousands of pests that can infiltrate your home or business.  If you have a pest but are unsure what it is just give us a call and we'll come take a look.

About Nimby

N.I.M.B.Y. is an acronym for NOT IN MY BACKYARD. We know that unwanted pests are just that, unwanted. We will rid you of your pest problems safely and humanely without major disruptions to your normal routines. Our company is founded on a committed to customer satisfaction and the assurance that we will always treat each customer with the utmost integrity.

Nimby Education Centre

  • Airport bird hazard risk assessment process.
  • Nimby bird repellers, devices and aversion.
  • Certified traps - AIHTA Implementation.
  • Protecting your family and pets from rabies (MNR document).
  • Bedbug fact sheet (City of Toronto)
  • Avoiding bedbug hitch hickers.
  • Pest Control Products Act.
  • Nimby Fact Sheet - Preparation for Cockroach Treatment.
  • Ontario Pesticides Act.

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Ants, Ant nests, Ask the experts, Bats, Beatles, Bedbugs, Bees, Bee Stings, Birds, Booklouse, Box Elder Bugs, Carpenter Ants, Carpet Beetles, Canadian Pest Management Association, Carpenter ant photos, Carpet beetles, Centipedes, Choosing a pro, Clothes moths, Clover Mites, Cockroaches, Controlling pests, Crows, Finding a Pro, Fleas, Flies, Gnats, Grain beetles, Geese, Gulls, Hantavirus, Home page, Index page, Insects, I.P.M. , Ladybugs, Mice, Millipedes, Moles, Moths, Mold, Other pests, Pantry Pests, Pest pro Associations, Pharaoh Ants, Phorid Flies, Pigeons, Pill Bugs, Powder post beetles, Psocid, Raccoons, Rats, Real Estate & Pests, Red-winged Blackbird, Rodents, Sea-gulls, Skunks, Spiders, Snakes, Sow Bugs, Starlings, Supplies for pest control, Termites, Wasps, Wasp Stings, Wasp Traps, Weevils, Wildlife pests, Wildlife control products

Service Areas

Nimby Pest Management offers Wildlife, Pest, Bird and Animal Control and Control and Removal throughout Ontario. Our Bird Control and Animal Control Services are available in Acton, Ajax, Barrie, Brampton, Burlington, Caledon, Georgetown, Guelph, Hamilton, Kitchener, London, Markham, Milton, Mississauga, Newmarket, Niagara Region, Oakville, Orangeville, Oshawa, Ottawa, Peterborough, Richmond Hill, St. Catharines, Scarborough, Toronto-Central West, Toronto-Central East, Toronto-Etobicoke, Toronto North York, Vaughan, and Whitby. We also serve all Canadian Provinces and most of the U.S. Please contact us for more information.