Stink Bugs

“Halyomorpha halys lab” by Yerpo – Own work. Licensed under CC BY-SA 3.0 via Commons

Stink bugs are an invasive species from Asia that arrived in Pennsylvania in 1996. The stink bug earned its name from its tendency to release an odor when disturbed or when crushed. Many other insects have these same characteristics, including some species of ants, beetles and other bugs.

Habits

In general, adult stink bugs feed on fruits and nymphs feed on leaves, stems and fruit. Stink bugs search for overwintering sites in late fall to find shelter from the winter weather. They reemerge in early spring and become active.

Habitat

Adult stink bugs occasionally enter homes and other structures when searching for overwintering sites. During warm months, they often congregate en masse on the sides of buildings.

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