Learn how to manage wasps

Learn how to manage wasps

A yellow jacket wasp. Wasps often have a scary reputation for their painful sting, but they are highly beneficial insects in the ecosystem. They prey on many flies, caterpillars and young insects that damage crops and to a certain extent they also help in pollination. Yellowjackets and paper wasps are two common groups of wasp species in Wisconsin that tend to become a nuisance in urban areas from late summer to mid-fall. Bald-faced hornets are often mistaken as true hornets, but in fact, they are a type of yellowjacket. Yellowjackets and paper wasps are social insects where the queen dominates the colony. Their nests are built of papery pulp materials from chewed wood fiber mixed in with their saliva. Paper wasps commonly build their nest on the eaves of buildings, barns, overhangs and on tree limbs. Their simple looking nest consists of a single layer comb resembling an umbrella shape and does not have any protective casing around it. Yellowjackets and bald hornets have multiple layers of stacked round combs covered with layers of papery sleeves. Often, yellowjacket nests are found in old rodent burrows, cavities and wall voids, and bald hornet nests are commonly found in trees. In […]

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