MW Extermination

Encyclopedia
of Quebec pests.

Identify the insect, rodent or wild animal that has invaded your home, then know what to do next. Written by our certified exterminators.

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High riskPhoto- Bedbug
Insect

Bed bugs

Cimex lectularius

Size
4-7 mm
Season
Any year
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High riskPhoto- Carpenter ant
Insect

Carpenter ant

Camponotus pennsylvanicus

Size
6-25 mm
Season
Spring
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High riskPhoto- German cockroach
Insect

German cockroach

Blattella germanica

Size
13-16 mm
Season
Any year
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High riskPhoto- Common mouse
Rodent

Common mouse

Mus musculus

Size
6-10 cm (body)
Season
Any year
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High riskPhoto- Norway Rat
Rodent

Norway Rat

Rattus norvegicus

Size
20-26 cm (body)
Season
Any year
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High riskPhoto- Common wasp
Insect

Common wasp

Vespula vulgaris

Size
12-17 mm
Season
Summer
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Moderate riskPhoto- Pharaoh ant
Insect

Pharaoh ant

Monomorium pharaonis

Size
1.5-2 mm
Season
Any year
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Low riskPhoto- Paving ant
Insect

Paving ant

Tetramorium caespitum

Size
2.5-3 mm
Season
Spring
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Moderate riskPhoto- Field mouse
Rodent

Field Mulot

Microtus pennsylvanicus

Size
9-13 cm (body)
Season
Any year
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Moderate riskPhoto- Striped skunk
Wild animal

Striped skunk

Mephitis mephitis

Size
40-50 cm
Season
Spring
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