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Brown Marmorated Stink Bug - Animal India

The Brown Marmorated Stink Bug (Halyomorpha halys) is an insect in the family Pentatomidae, native to China, Japan, Korea, and other Asian regions. The Brown Marmorated Stink Bug (BMSB) was accidentally introduced to the United States in 1998. It is currently spreading throughout most of eastern and western North America, with the highest concentrations found in the Mid-Atlantic region. The BMSB is proving to be a nuisance for homeowners and can be devastating for farmers. It is feeding on a variety of plants, including fruit trees, ornamentals, and some crops. It is also entering houses in large numbers on warm fall days in search of overwintering sites. Adults are about 17 mm long and are shades of brown on both the upper and lower body surfaces. They are shield-shaped and almost as wide as they are long. The BMSB has piercing-sucking mouthparts and is feeding on fruits, seeds, stems, and leaves. It can switch hosts throughout the season, moving from plants with early-ripening fruits to those with late-ripening fruits. Most stink bugs do not bite, sting, or spread disease. The most harm most stink bugs cause is the ill-smelling substance they release as a defense tactic or if accidentally crushed. A Brown Marmorated Stink Bug is being observed sitting on potatoes and leaves of clover in Tehatta, West Bengal, India, on April 2, 2024. (Photo by Soumyabrata Roy/NurPhoto)

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