What Our Clients Say

"Jer came by today to lay down some traps for mice in the garage and the house. He's a perfectly cordial gentleman who explained exactly what he was doing and what the cost covered. He even offered to spray a wasp nest in the garage for free.

I'd recommend Jer for professional pest-control needs. I know what he did today is working because I can hear the mice chewing away at the bait in the trap. Looking forward to a mice-free house this fall and winter because of Jer."
  -Hashem Hmd UE

"Great service, great price and very informative and honest man."
   -Rick Dubeau

"Our wasp problem was way outside my comfort zone. Coutts Pest Control arrived on time and dealt decisively with those wasps. Laid the sledgehammer on them. Jer knows his stuff. Nuff said."
  -John Woodward

I’ve used Coutts Pest Control on a couple of occasions, for different pest related issues. On both occasions, the service received was friendly, knowledgeable, and as promised. The service was explained in advance, including the expected results, warranty, etc. – No surprizes. My pest problems were solved quickly and properly. The work was done right the first time and I will use Coutts Pest Control for any future pest control needs.
  -Jeremy Sprott

I would like to describe my completely successful experience with Coutts Pest Control. Upon reporting to Mr. Coutts that we had a “rodent” of some kind burrowing under our garage Mr. Coutts was on site within 24 hours.
Within only a day or so he had determined that we had a ground squirrel problem. He offered some alternatives to dealing with the problem and we chose one that ended the problem almost immediately.
My wife and I were most grateful to Mr. Coutts for his swift action in taking care of this worrisome problem.
I would highly recommend Coutts Pest Control’s services to anyone that has an insect or rodent problem.
Coutts really does “give pests the boots!
  Sincerely Steve and Jean McCulloch, Petawawa, ON


Wasps and HornetsThere are several varieties of wasps in North America, including the yellow jacket, hornet and paper wasp. Colour ranges from black to combinations of black with yellow, white or brown markings. The slim, winged body measures 10 to 19 mm (l/2" to 3/4"). All wasp species have chewing mouth parts and the females possess a stinger.

The wasp colony consists of queens (fertile females), workers (sterile female), and males. In late summer the queens and males mate; the males and workers die off and the fertilized queen over winters in a protected site. In the spring the queen collects materials from plant fibre and other cellulose material and mixes it with saliva to construct a typical paper type nest.

Wasps are very protective of their nest and though they will use the nest for only one season the nest can contain as many as 10,000 to 30,000 individuals. Wasps are considered to be beneficial because they feed on a variety of other insects.

Bald faced wasp

The Bald-Faced Hornet (it’s called a hornet but it’s really a paper wasp) makes a blue-grey nest often the size of a soccer ball. Often found suspended from a tree branch but also can be found underground.

European Wasp

The European Hornet is the only “True Hornet” species in Ontario. They are very strong fliers and are most active at night. The nest is similar to a Bald-Faced Hornets nest but is a brown colour. Nests are often built into wall voids or buildings.

Wasp Questions & Answers

Wasps and HornetsAre wasps hazardous to humans?

Yes. A wasp sting, aside from being very painful can prove serious and sometimes fatal. If you suspect a reaction to a wasp sting, report to your nearest hospital immediately.

Do all wasps sting?

Only the queens and workers possess an ovipositor (egg-laying tube) which forms the stinger, normally the stinger is used to kill prey on which wasps and their larvae feed, but will use it on animals and man if provoked.

Do wasps cause damage?

No. Since they feed on flies and other insects they are considered beneficial. However, because they are attracted to sweet substances such as fresh fruit and juice, their presence can prove to be a nuisance.

Wasps Nest

When are wasps most common?

During summer and early fall months when workers are foraging for food.

When am I most likely to see wasps?

Wasps are most active during the daylight hours.

Where do you find wasps?

Nests can be found around buildings on verandas, under eaves, ceilings, attics or in trees and shrubs. Several varieties of wasp build nests under ground.

What are their breeding habits? Do they multiply quickly?

The queen (female reproductive) lays all the eggs. Most eggs develop into sterile workers. Late in the season, the queen produces eggs which develop into queens who over winter and establish nests the following spring. An average of 1,000 to 3,000 eggs laid per nest which hatch and develop on daily basis.

Wasps and Hornets

Do wasps die off in cold months?

Yes. Only the new queens survive the winter while the rest of the colony dies off when weather becomes cold. The queen over winters under loose bark or in crevices. They will lay eggs in the spring to start a new colony.

Can weather conditions affect the size of a wasp infestation?

Yes. An abnormally cold, wet spring or hot, dry summer can have an effect on the size of a wasp colony.

Can I do anything to prevent wasp activity on my property?

Yes. Whenever possible try to eliminate fallen fruit from trees and refuse which will attract wasps. Sealing holes and other potential sites may help prevent nesting. Once a nest is established do not seal the hole until after treating and there is no more activity.

If I have wasp nests on my property what can be done to eliminate them?

We have products specifically developed for the control of pests such as wasps. Due to the potential danger from a wasp sting, it is advisable to contact a professional.


What Our Clients Say

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    NOTE: Coutts Pest Control guarantees all of our work.

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