Identification and prevention of harmful insects



There are about 12 different species of house spiders. Although their appearance can vary depending on the species, all spiders have a body which is divided into two distinct parts connected by a small waist, or the cephalothorax (or prosoma) and abdomen. Spiders have two chelicerae, two palps, eight legs and up to eight eyes.

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Life Cycle

The female spider can lay up to fifty eggs together in a silk pouch, and reproduce 9 pouches of eggs per season. When environmental conditions are adequate, the pouches hatch after a week. Growth of spiderlings is by successive molts of the exoskeleton.

Habitat and Food

Spiders are sometimes found on chopped woodpiles, clothing as well as vegetation brought from outside. Once inside, they will often choose out-of-the-way places like the attic or cellar to weave their webs, but can also be found around windows or near outdoor lighting because they are attracted to other insects found at these locations.

Undesirable Effects

Spiders produce silk spun by small protrusions called Spinnerets, located under the extremity of the abdomen. Their webs can be seen inside as well as outside the home. Spiders are the cause of strong reactions such as disgust and fear phobias. They proliferate rapidly and can completely infest a home.

Signs of Infestation

Evidently, the presence of many spider webs is a sure sign of a spider infestation (however, there are species that do not spin webs). The presence of spiders is often linked to the presence of other insects, which are their food.

Preparation Steps for a Treatment

  • For the application of a liquid treatment, make all treatment surfaces accessible (move furniture away from the edge of the walls, as well as, in front of cracks and crevices in dark and wet areas).
  • Consult the technician to determine if a surface treatment is necessary.
  • Plan to leave your home for the duration of the treatment and return only after 4 hours. Wherever possible, open windows for 20 minutes upon your return. It is also important to not walk barefoot on treated areas for 48 hours after treatment.

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