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Wasp

Wasps are aggressive flying insects that build their nests near homes. Their stings can cause severe allergic reactions.

Wasp

Identification sheet

Appearance
Slender body with a very thin waist. Yellow and black stripes. Wings folded at rest.
Size
12 to 25 mm
Color
Yellow and black
Habitat
Under eaves, in attics, under decks, in the ground. Nests can reach the size of a football.
Lifespan
Workers: a few months. Queen: 1 year
Danger level
High

Health risks

Wasp stings are painful and can cause potentially fatal anaphylactic reactions in allergic individuals. Unlike bees, wasps can sting multiple times.

Signs of infestation

  • Paper nest visible under eaves or in trees
  • Flying insects going back and forth near a fixed point
  • Wasps entering and exiting a hole in the ground or wall
  • Increased wasp activity in late summer
  • Audible buzzing near the nest
  • Insects attracted to outdoor food

Prevention tips

  • Regularly inspect eaves and attic in spring
  • Seal openings in walls and roof
  • Cover trash cans and compost
  • Don't leave food or sweet drinks outside
  • Install preventive wasp traps
  • Have nests removed by a professional

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