Brown Marmorated Stink Bug (BMSB), Halyomorpha halys
The invasive brown marmorated stink bug (BMSB; Halyomorpha halys) was first discovered in Pennsylvania in 2001, and has caused tremendous crop damage in many mid-Atlantic states. Two to three years prior to noticeable crop damage, BMSB may be seen overwintering in people's homes often in large numbers.
As of 2017, reports of BMSB overwintering in Maine structures have been verified from 67 towns in 12 counties. Reports of overwintering populations help experts predict and prepare for subsequent potential crop damage.
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If you believe you have seen this bug in your house, office, garage, etc., please take a photo of it and make a report. We DO NOT need any more reports from towns that have more than 10 verified reports (e.g. Berwick, Biddeford, Brunswick, Gorham, etc.)
Updated: October 30, 2018
- Maine's New Invasive Plant Rules
- The Asian Longhorned Beetle Resource Page
- The Emerald Ash Borer Resource Page
- Economic Impacts of Invasive Species in the US (PDF)
- Bureau of Forestry: Forest Health and Monitoring
- Forest Invasives of Canada
- Got Pests? (A pest identification and management resource for homeowners)
- Maine Entomological Society
- University of Maine Pest Management Office
- USDA APHIS PPQ