Is it a stink bug?
The stink bug is a shield-shaped insect commonly found on garden plants and occasionally entering homes.
whichbug identifies insects from what you can see. It does not identify bites and has no health information.
What to look for
| Size | 10-18 mm |
|---|---|
| Colour | green, brown, or mottled gray |
| Shape | broad shield or oval with a distinct shoulder-like projection |
| Wings | two pairs, with the forewings partially hardened at the base |
| Antennae | five-segmented, slender, and dark-tipped |
| Movement | slow crawler that flies when disturbed |
Where you'll find them
under leaves on garden plantsin cracks around window framesbehind siding or eavesin stored producein garages or shedsplant pest
feeds on fruits, vegetables, and ornamental plants causing deformities and scarring.
Season: late summer through autumn
Signs it's around
- clusters of small, barrel-shaped eggs on leaf undersides
- irregular holes or brown spots on fruit and vegetables
- shiny, dark fecal spots on leaves
- empty exoskeletons (exuviae) near feeding sites
Not sure? The lookalikes
| vs kissing bug | stink bugs have a broad shield shape while kissing bugs have a long, narrow body with a distinct beak |
| vs boxelder bug | stink bugs lack the prominent red markings and black body pattern of boxelder bugs |
| vs squash bug | squash bugs have a more elongated, less shield-like body and distinct white spots on the wing edges |