11 stink bug species, including Brown Marmorated and Green Burgundy, increase in Illinois during fall.

Illinois is seeing a rise in stink bug activity as fall arrives, with 11 species present, including the Brown Marmorated and Green Burgundy stink bugs. These insects emit a strong, lingering odor from an abdominal gland, reminiscent of herbs like cilantro. To prevent releasing their odor, it is advisable not to crush them; instead, using a vacuum cleaner for removal is recommended. Homeowners should be prepared for these pests seeking shelter from the cold.