Countries Have Brown marmorated Stink Bug

Countries Have Brown marmorated Stink Bug:Brown marmorated stink bug , insects that had not previously seen on our continent, apparently accidentally introduced into eastern Pennsylvania. It was first collected in September 1998 in Allentown, but probably arrived several years ago. As of September 2010, Halyomorpha halys was recorded by one of the following 37 countries, although it is likely that they are in all counties:
Adams, Allegheny, Armstrong, Beaver, Berks, Blair, Bucks, Butler, Cambria, Carbon, Centre, Chester, Clinton, Columbia, Cumberland, Dauphin, Delaware, Franklin, Indiana, Lackawanna, Lancaster, Lebanon, Lehigh, Luzerne, Mercer , Mifflin, Monroe, Montgomery, Northampton, Northumberland, Perry, Philadelphia, Pike, Snyder, Washington, and Westmoreland York
In addition, recorded from many other countries, such as:
In California, Connecticut, Delaware, Idaho, Indiana, Illinois, Iowa, Maine, Maryland, Minnesota, Mississippi, Missouri, New Jersey, New York, Nevada, North Carolina, Ohio, Oregon, South Dakota, Tennessee, Utah, Virginia, Washington, West Virginia, Wisconsin and Wyoming.
It is true bug in the insect family Pentatomidae known as an agricultural pest in its native range of China, Japan, Korea and Taiwan. Recently BMSB has become a serious pest of fruits, vegetables and crops in the Mid-Atlantic and it is likely that it will become a pest on these products in other parts of the United States.
BMSB becomes a nuisance pest both indoors and when it draws to the outside of the house in the warm days of fall in search of protection, overwintering sites. BMSB sometimes appears in the warmer sunny periods throughout the winter, and again, as it occurs in the spring.