<Tr> <Th_colspan="2"> Binomial name </Th> </Tr> <Tr> <Td_colspan="2"> Halyomorpha halys Stål, 1855 </Td> </Tr> <P> Halyomorpha halys, also known as the brown marmorated stink bug (BMSB), is an insect in the family Pentatomidae that is native to China, Japan, the Koreas, and Taiwan . It was accidentally introduced into the United States, with the first specimen being collected in September 1998 . The brown marmorated stink bug is an agricultural pest and by 2010--11 had become a season - long pest in U.S. orchards . It has recently established itself in Europe and South America . </P> <P> The adults are approximately 1.7 centimetres (0.67 in) long and about as wide, forming the shield shape characteristic of other stink bugs . They are various shades of brown on both the top and undersides, with gray, off - white, black, copper, and bluish markings . The term marmorated means variegated or veined like marble . Markings unique to this species include alternating light bands on the antennae and alternating dark bands on the thin outer edge of the abdomen . The legs are brown with faint white mottling or banding . The stink glands are located on the underside of the thorax, between the first and second pair of legs, and on the dorsal surface of the abdomen . </P>

Where did all the stink bugs come from