The brown marmorated stink bug,Halyomorpha halys, is an invasive pest that is present throughout much of the United States. The species is native to Asia and was introduced into the United States in the mid-1990s, possibly stowing away in a shipping container. The presence of this stink bug is concerning for farmers because it feeds on a large number of high-value crops and ornamental plants in its immature and adult life stages.In the United States, the highest concentrations of brown marmorated stink bugs occur in the mid-Atlantic region, and they have been identified in 38 states and the District of Columbia. They cause major economic damage to fruit, vegetable, and field crops in the mid-Atlantic region. However, while farmers in other regions of the country are concerned about the presence of the brown marmorated stink bug, they are currently not a significant agricultural pest in most areas outside of the mid-Atlantic region.In addition to plant damage, brown marmorated stink bug...
