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Over 2,500 Wasp
Species in N. Amer.
BLACKSBURG - Yellow jackets, bald-faced hornets, giant hornets, paper wasps, mud daubers, bumble bees and cicada killers have two things in common. Each is one of more than 2,500 wasp species occurring in North America. Each will quickly deliver a painful, poison-laden sting to whomever is foolish enough to provoke them.
“Wasps are easily provoked. It is unsafe to allow them around the house where they like to build nests under eaves, on porches, behind blinds, in trees, among rocks, in the ground and other places,” explained Dr. John A. Weidhaas, extension entomologist with Virginia Tech.
Even though they can be classified as beneficial in that they kill and devour harmful insects and spiders, they should be destroyed when they build their nest too close to the house and endanger the health and happiness of children. Hornets and yellow jackets feed their young on houseflies, blowflies and the caterpillars of a wide variety of moths. Paper wasps, known as polistes, catch army worms, corn ear worms and other pests to carry to the nest and their larvae.
The female mud dauber stings and paralyses as many as 20 immature spiders to imprison in her egg cells to become a ready
[meal for the not yet hatched larvae.
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