Jan 1, 2014

Spiders are common arthropods that have two body parts, thecephalothorax and the abdomen, eight legs and usually six to eight eyes. Their physical appearance varies depending on the type of species.

Habits & Behaviours

Spiders are a diverse group of arthropods, invertebrate animals having an exoskeleton, and various species are abundant and widespread throughout Ontario. They can be found outside or inside our residential,  recreational/cottage,  recreational/cottage,, and commercial properties. Their numbers in cottage country or waterfront properties can be astounding, particularly on the exterior. All different types of spiders can be typically found indoors behind or beneath furniture and appliances, in corners of rooms and closets, around windows and in rarely used shoes, clothes and bedding.

Outdoors, spiders can be found in stacks of firewood, storage areas, outhouses, screened porches, water meter boxes, , plants and flower pots, under porches, and in or around trees. Spiders produce silk in abdominal glands called spinnerets and use it  to make webs and traps for catching prey. Although there are many people who fear them, spiders play a vital role in our ecosystems, providing control of many common insect pests. Spiders are extremely resilient, living in a wide variety of habitats. All spiders are venomous predators, feeding mostly on insects and other small arthropods.

Complaints & Destruction

Although most spiders are generally harmless, posing no real threat to the structure of your property, possessions or foods, they are feared by many and can be an extremely unpleasant and bothersome nuisance. The venom of most species is not very toxic to humans, usually resulting in no more than a slight swelling, inflammation or itching sensation. Most spiders’ fangs are way too small and weak to puncture human skin. Typically, spiders will not bite unless accidentally trapped against the skin or grasped, although some species actively guard their egg sacs or young.

Major Risks & Dangers

Spiders are venomous, their venom allowings them to attack prey and defend themselves against predators and other enemies. Most spider bites are merely bothersome and do not pose any great health concern except for black widow spiders, which are not very common in this area and brown recluse spiders.

Reproduction & Life Cycle

Spiders can breed year round providing that the conditions are favourable. After mating with the male, the female spider produces an egg sac that can contain up to a thousand tiny spider eggs. The female spider will carry the silken egg sac until the eggs hatch or attach it to a web or another hidden location. The baby spiders, known as spiderlings, hatch from the eggs looking  like tiny versions of the adults. Some spiderlings are left to fend for themselves receiving no care from their mother while others climb onto their mother’s back after hatching, where she feeds them. Like other arthropods, spiderlings moult to grow.

Eating Habits

Most spiders are carnivorous and mostly prey upon soft-bodied insects and arthropods including other spiders. They are not carion eaters, choosing to eat only living prey.

Treatment & Prevention

To eliminate and reduce the risk of spiders invading your residential,  recreational/cottage,  recreational/cottage,, or commercial properties, treatment and exclusion is the best prevention.

Greenshield Pest Control Inc. can provide you with many treatment, exclusion and prevention solutions.


If you suspect a spider infestation within your residential,  recreational/cottage,  recreational/cottage,, or commercial properties, it is best to let the professionals do the job of safely removing the insects.

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