Brown Marmorated Stink Bug

Halyomorpha halys

moderate risk
insect

Overview

Invasive stink bug from Asia. A nuisance indoors and serious agricultural pest. Damages over 100 crops.

Shield-shaped, 14-17mm. Brown marbled pattern. Alternating dark/light banding on antennae and abdomen edge.

Prevention Strategies

  • •Seal all cracks around windows, doors, utility penetrations
  • •Repair damaged screens
  • •Dehumidify indoor areas
  • •Exclude with weather stripping

Control Methods

  • •Vacuum and dispose outdoors - don't crush indoors
  • •Soapy water drowning traps
  • •Kaolin clay on crops
  • •Pyrethroid perimeter sprays in fall
  • •Professional sealing of entry points

Interesting Facts

  • •Can release odor that smells like coriander or cilantro
  • •First detected in Allentown, PA in 2001
  • •Can aggregate in thousands inside one building
  • •Populations have reduced some native stink bug populations