The brown marmorated stink bug (BMSB; Halyomorpha halys) is an invasive insect that has spread to over 40 states in the last 15 years.  It is considered a significant nuisance pest (as large numbers of them enter homes in early fall) and a serious crop pest (as it feeds on over 300 different plant species).

In order to understand how widespread this bug is in Maine, the Maine Department of Agriculture, Conservation and Forestry, Division of Animal and Plant Health is seeking reports of sightings of BMSB in Maine.  As many insects can be mistaken for BMSB, we require an original photo with your report.  

For more information on brown marmorated stink bug including management advice, please visit StopBMSB.

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We no longer need reports from the following towns:
  • Berwick
  • Biddeford
  • Brunswick
  • Gorham
  • Kennebunk
  • Kittery
  • Lewiston
  • Portland
  • Saco
  • Sanford
  • Scarborough
  • South Berwick
  • South Portland
  • Westbrook
  • York

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* 1. Please upload an image of the bug you are reporting.

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* 2. In what Maine town(s) did you see the brown marmorated stink bug (BMSB)?

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* 3. What types of locations did you see BMSB? Check all that apply.

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* 4. Check all the months that you have seen BMSBs this year...

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* 5. What year was the first year you started seeing BMSBs in your location?

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* 6. Approximately how many BMSBs did you see at any one time?

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* 7. Comments

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