Brown Marmorated Stink Bug - School IPM - USU Extension

    Brown Marmorated Stink Bug

    Halyomorpha halys

    BMSB

    Adult brown marmorated stink bug (David R. Lance, USDA APHIS PPQ, Bugwood.org)

    Eggs

    Stink bug leaf damage (Gary Bernon, USDA APHIS PPQ, Bugwood.org)

    Leaf damage

    Stink bug eggs and nymphs (David R. Lance, USDA APHIS PPQ, Bugwood.org)

    Identification

    • shield-shaped insect; generally brown/gray in color
    • alternating white and black bands on antennae
    • smooth shoulders (no spines)
    • black and white alternating pattern surrounding wing

    Nesting Habits

    • can overwinter in mass in buildings and houses
    • lay eggs on host plants

    Diet

    • broad host range including fruits, vegetables, field crops, ornamentals, weeds and native species

    Significance

    • nuisance: congregate indoors over winter; can annoy building occupants
    • overwinter in cracks and crevices in buildings
    • emit an unpleasant odor when smashed
    • not a health threat
    • can cause damage to host plants

    IPM Recommendations

    • Seal cracks and crevices that may allow stink bugs to enter buildings.
    • Vacuum to remove indoor and outdoor populations.
    • Avoid planting host plants around buildings if possible.

    For more information, see our Brown Marmorated Stink Bug fact sheet.