The Brown Marmorated Stink Bug has a "shield" shaped body that is characteristic of all stink bugs. The main food source for adult stink bugs is fruits. Nymphs feed on leaves, stems and fruit. Stink bugs seek shelter for the winter months in warm places and reemerge in early spring.  Stink bugs have the potential to spread throughout the country, which could be harmful to the agricultural industry, as they destroy crops. Although stink bugs are not known to bite humans, their tendency to invade homes in high numbers can be a nuisance.

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Stink bugs have 6 legs and are 3/4" in length. They 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.