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Pixel art: Brown Marmorated Stink Bug
No. #109 · Garden & Home

Brown Marmorated Stink Bug

Halyomorpha halys

Also called: stink bug

True Bugs & Cicadas

Where to look

Regions
AsiaN. AmericaEurope
Habitats
gardensindoors

When it is out

  • ☀️ Active by day

Seasonal activity

JFMAMJJASOND

Peak is Jul–Oct.

Research-grade sightings worldwide, by month · Data: iNaturalist community observations

Life cycle

Incomplete metamorphosis

EggNymphAdult

Egg → nymph → adult. The young look like small, wingless adults and grow by molting.

Stage lengths vary by species and temperature, so we don’t print them.

Safety

Peeka gives a safety read on every identification. This species is not in our hand-checked list yet, so we do not print a level here.

In Peekabug

Card #109 in the Garden & Home set. Catch it with the camera and it checks into your Bug Hotel.

Download on the App Store

Bug Guides

Insect eggs on leaves, walls and windows: what they look like, whose they are, and which ones to leave alone7 min readStink bugs in the house: where they are all coming from, how to get them out without the smell, and whether they will breed indoors7 min read
Observations on iNaturalist ↗Look it up on Wikipedia ↗

Neighbours in the Garden & Home set

Green Stink Bug#108Boxelder Bug#111Devil's Coach-horse#105Firebug#113Striped Cucumber Beetle#103Golden Tortoise Beetle#101
← #108 Green Stink Bug#110 Hawthorn Shieldbug →

All species pixel art is drawn by us and is not a photograph. · Updated 2026-09-15