Cornell Cooperative Extension

Monroe County
Brown Marmorated Stink Bug up close
Image by Steven Valley, Oregon Department of Agriculture, Bugwood.org

Adult Brown Marmorated Stink Bug

Brown Marmorated Stink Bug on leaf
Image by David R. Lance, USDA APHIS PPQ, Bugwood.org

Brown Marmorated Stink Bug on leaf

Brown Marmorated Stink Bug eggs
Image by David R. Lance, USDA APHIS PPQ, Bugwood.org

Brown Marmorated Stink Bug eggs

Brown Marmorated Stink Bug

Brown Marmorated Stink Bug ( Halyomorpha halys) is a native of Eastern Asia and was first detected in Pennsylvania in October 2001. The insects often are found in houses, where they produce an unpleasant smelling chemical. They can be an agricultural pest, threatening apples, pears, peaches, figs, mulberries, citrus, persimmon and soybeans.

Resources

The Unwelcome House Guest: Brown Marmorated Stink Bug —A Guide for Residents, Property Managers, and Pest Management Professionals. This 3-page PDF from the New York State IPM Program at Cornell University, addresses indoor infestations of stink bugs and provides suggestions on how to seal their entryways to the residence.

Contact

Challis Mathes
Horticulture Resource Educator/Team Lead
cjm438@cornell.edu
585-753-2557

Last updated April 19, 2025

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