Stink Bugs in Michigan. Shelby Township 48317, Macomb 48042

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In the realm of insects in Michigan, there's a new "kid" in town.  The marmorated stink bug is becoming more noticeable in our homes and landscape.  The following article is borrowed from an MLive posting from October, 2017 ( to make you aware of the presence of this insect and offer insight as to how to deal with it in your home.



The stink bug invasion and what it means for you, your home and farmers

Posted October 07, 2017 at 12:20 PM | Updated October 07, 2017 at 12:41 PM


Photo via MSU Extension


By Emily Bingham |

They say the truth hurts -- but in this case, it stinks: The brown marmorated stink bug, an insect that's relatively new to Michigan, might be poised to cause some serious problems for our state's agricultural industry. That's on top of the nuisance these slow brown buggers are creating for homes this time of year, when the bugs seek out warmer environments as the weather cools. 

Read on for a guide to what Michiganders should know about these smelly, irksome, and potentially damaging bugs. 

How long have stink bugs been in Michigan?

The brown marmorated stink bug was first reported in Michigan in 2010. According to Michigan State University Extension, the species was accidentally brought to North America from Asia at some point before 1996, and it has been slowly making its way around the country ever since. 

What does it look like?

You'll know 'em when you see 'em: These slow-moving bugs are oval shaped, with a body often compared to a shield. They are a little less than half an inch long. Their name comes from the foul odor they release when disturbed (or when smashed). 

Where are they in Michigan?

By now, stink bugs are well established in the southern half of Michigan's Lower Peninsula. (The Midwest Invasive Species Information Network is actively collecting reports of stink bug sightings, to assist in tracking its spread across the state.)

Why are they a problem?

If you live in a stink-bug established region of the state, you might already be aware of what a nuisance these insects can be: Come autumn, they congregate on south- and west-facing exterior walls of buildings and homes, and then seek to squeeze into our cozy indoor spaces so they can overwinter in comfort.

But finding small clusters of stink bugs in the corners of our homes is just the tip of the iceberg. For farmers, the growing infestation is a red flag for a much more serious problem: These insects feed on tree fruit -- like peaches and apples -- as well as corn, soy, and other important Michigan crops.