Insect identifier · Indoor insects
How to identify a Brown marmorated stink bug
Halyomorpha halys
· Also called stinkbug, marmorated stink bug, shield bug
People searching “what does a brown marmorated stink bug look like” or “brown marmorated stink bug bite” want a field ID, not a scare. Brown marmorated stink bug (Halyomorpha halys) is a indoor pests in this guide. Also called stinkbug, marmorated stink bug, shield bug.
A slow shield bug on the curtain in October is a stink bug. It did not bite you in your sleep.
What does a brown marmorated stink bug look like?
Brown marmorated stink bug is About 12–17 mm. Colors people notice: brown, gray. Field marks: Shield shape; Banded antennae; Marbling on the edges.
Brown marmorated stink bug is About 12–17 mm. Colors people notice: brown, gray. Field marks: Shield shape; Banded antennae; Marbling on the edges. If the marks fail, open the look-alike pages before forcing this name.
Identification marks
- Shield shape
- Banded antennae
- Marbling on the edges
Size: About 12–17 mm
Colors: brown, gray
Where: both
Brown marmorated stink bug vs Assassin bug
Stink bug: shield, fall, indoors, no bite. Kissing bug: cone head, night, can bite.
- Assassin bug identification (Reduviidae (wheel bug and kin))
- Boxelder bug identification (Boisea trivittata)
- Kissing bug identification (Triatoma sanguisuga)
- Blister beetle identification (Epicauta spp.)
Range and season
Brown marmorated stink bug is active fall invasions of houses. Typical places: house, garden, orchard. Shield-shaped home invader in fall. Does not bite in any ordinary sense. The smell is the complaint.
Homes and orchards, especially the East and Pacific Northwest, in autumn.
Shield-shaped home invader in fall. Does not bite in any ordinary sense. The smell is the complaint.
Fall invasions of houses
Common questions
Do stink bugs bite?
No. Brown marmorated stink bugs do not feed on people.
Why are stink bugs in my house?
They overwinter in wall voids and show up on warm fall days.