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Yellow
Jacket
Vespula
spp.
Characteristics
Size: About 3/4-to 1-inch in length.
Color:
Generally small wasps with black and yellow stripes.
CAUTION:
This is the time of year when some species
of the Yellow Jacket build paper nests within the ground in landscape
and lawns. Always look over your lawns and landscape before working,
playing or mowing, especially in the peak months of July, August,
and September when Yellow Jacket nests are reaching their peak in
numbers.
Behavior:
Yellow jackets are social insects that live in colonies containing
thousands of individuals. Colonies are usually started by a single
queen in the early spring, and are very small for the first couple
of months. By midsummer, a colony located on or near a house is
usually large enough to become a nuisance. These wasps will aggressively
attack when their nest is disturbed, and can inflict painful stings.
Unlike the honeybee, which stings only one time and then dies, a
single yellow jacket can sting many times. Yellow jackets are scavengers
and can be beneficial when located in a wooded area or a field.
Colonies located in or near a home, however, can pose a threat to
the persons living in the house. When this situation is discovered,
the colony or colonies should be eliminated. Because of the danger
involved in treating these nests, only a professional such as Gotcha
should attempt to treat them. Should a colony be discovered, contact
your Gotcha! Pest Control Specialists for assistance.
Habitat:
Yellow jackets prefer to locate their nests in the ground, usually
in an old rodent burrow or similar hole. This wasp also commonly
locates its nest inside the walls of a building by entering through
cracks or holes in the outside walls.
Tips
for Control:
The following precautions should be taken to prevent accidental
stings:
When working in a garden or flowerbed, be aware of numerous wasps
flying into and away from a single point in the garden or to a hole
in the side of the house. This will usually indicate where a colony
might be located. Be careful when using powered lawn equipment,
such as edgers, trimmers and mowers. Loud, vibrating noises disturb
yellow jackets and may send them into an attacking frenzy. Stay
away from yellow jacket nests once you know where they are located.
If yellow jackets are seen entering and exiting a wall, DO NOT
plug the hole. You will only force the wasps to find another way
out. Sometimes they might actually eat through an interior wall
and enter the house.
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