Brown Marmorated Stink Bug identification card
Learn key features to be able to identify the brown marmorated stink bug.
Key features of BMSB
- "shield" shaped with piercing mouthparts
- white bands on dark antennae
- smooth edge along pronotum or "shoulders"
- white triangles in pattern along abdomen
Crops at risk
- pome fruit
- tree nuts
- grapes
- berry crops
- asparagus
- peppers
- tomatoes
- sweet, seed and field corn
- soybeans
- snap and dry beans
- ornamentals
BMSB look-a-likes
If you think you have found BMSB, please contact OMAFRA's Agricultural Information Centre at 1-877-424-1300 or ag.info.omafra@ontario.ca
More information is also available at www.ontario.ca/stinkbug
Report a sighting
If you see a suspected Brown Marmorated Stink Bug in Ontario, please report it by completing the online reporting form or calling the Agricultural Information Contact Centre (AICC) at
- ensure all images are in colour and in focus
- provide images of the following two views:
- the back surface of the insect
- the side of the insect