The brown marmorated stink bug, (BMSB), is an invasive insect not native to North America. It was accidentally introduced near Allentown, PA in 1996 and has spread since that time. It was found in Virginia in 2004 and by 2010, it was found throughout most of the Commonwealth. The BMSB feeds on a wide range of tree fruits and seedpods as well as many vegetables including tomatoes, peppers, beans, cucurbits, and sweet corn. High densities of this pest species have also been seen in soybeans and corn. However, so far in Virginia, the most severely damaged crops have been tree fruit (apples and peaches). For homeowners, it is mainly a nuisance pest, as it invades houses in the winter looking for a place to over-winter. For businesses such as hotels and restaurants and other commercial settings with public interface, the presence of high numbers of these bugs in the fall can have economic consequences.
Identification:The BMSB is a grayish brown shield-backed bug about 3/4 inch long with white bands on the antennae and legs, alternating black and white spots on the abdomen, and no spines on the front of the thorax. Nymphs lack wings, and have reddish and white marking on the upper surface of the abdomen. There may be spines of the front of the thorax in nymphs.
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