Ants
Identification 
- SizeFrom 1.5 mm to 13 mm
- ColourBlack, dark brown, red, or tan
- DescriptionAnts' bodies are divided in three distinct parts: head, thorax and abdomen. The thorax is joined to the abdomen by nodes. All ants have six legs, but only reproductive ants have wings .
More information on ants? Read our articles ►
Bed Bugs
Identification 
- ColourReddish brown, with abdomen darker as blood is digested
- SizeAdults are approximately 4 to 5 mm long, size of an apple seed
- DescriptionBed bugs are an oval shape, they have a flattened body, two antennae and six legs
Cockroaches
Identification 
- ColourBlack to reddish-brown
- SizeFrom 1 cm to 5 cm long
- DescriptionAll cockroaches have a pair of long antennae and six long, spiny legs. The body is flattened back to front and oval-shaped. Most cockroaches in Canada have wings, but cannot fly long distances.
Rodents
Identification 
- ColourBrown, grey
- SizeFrom 150 mm to 500 mm long, including tail
- DescriptionThe rodents that most commonly invade homes are mice and rats. Like all rodents, they have continuously growing, sharp incisors in their upper and lower jaws. They also have robust bodies, short limbs, long tails, and they like to burrow.
Flies
Identification 
- ColourVaries between species
- SizeUp to 10 mm long
- DescriptionA typical adult fly has three body parts: head, thorax and abdomen. They have two compound eyes, two antennae, and various mouthparts, as well as two functional, membranous wings, and three pairs of legs. Fly larvae are tiny, cream-whitish, legless, and often worm-like.
Mosquitoes
Identification 
- ColourGrey, white, silver, green or iridescent blue
- SizeFrom 4 mm to 10 mm long
- DescriptionHave three pairs of long legs, a pair of membranous, scaled wings, and halteres attached to the thorax.
- NotesSome species have brilliantly coloured and patterned wings.
Spiders
Identification 
- ColourVaries between species
- SizeFrom 3 mm to 35 mm long depending on the species.
- DescriptionAll spiders have four pairs of legs, which are segmented and in most cases skinny in appearance.
Bees
Identification 
- ColourYellow and/or black
- SizeBetween 11-25 mm in length
- Also known asHoney bees, carpenter bees, bumble bees