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Polistes wasps can be aggressive and often make nests
under eaves of houses where people walk. Mated queens overwinter
in protected places.
Paper wasps hang their paper nests under eaves, in attics,
or under tree branches or vines. Nests hang like an open
umbrella from a pedicel (stalk) and has open cells that can
be seen from beneath the nest. White, legless, grublike larvae
sometimes can be seen from below. Paper wasp nests rarely
exceed the size of an outstretched hand and populations vary
between 15 to 200 individuals. Most species are relatively
unaggressive, but they can be a problem when they nest over
doorways or in other areas of human activity.
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