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Stink Bug Eggs

Brown Marmorated Stink Bugs

The brown marmorated stink bug (BMSB) is an invasive species that was likely introduced to the US in 1998 from its native range of China, Japan, Korea and Taiwan.

What Do Stink Bug Eggs Look Like?

Adults overwinter inside homes and other structures and will emerge sometime in the spring. When they emerge, female stink bugs begin mating and laying eggs, which are barrel-shaped and light green in color.

Females may lay nearly 500 stink bug eggs during their lifetime, and produce several egg broods in one year.

Mating Season

Egg laying occurs from May through August, with the eggs being attached side-by-side on the underside of the host plant’s leaves in a mass of 20–30 eggs.

Brown marmorated stink bug eggs hatch into small black and red nymphs that go through five molts before becoming adults.


Because BMSBs seek out homes in the fall, pest control is usually required. Call Orkin for help with getting rid of stink bugs.


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