It was a historical year. The search engine we now know as Google was founded, the FDA approved Viagra, the name Lewinski entered our vocabulary, Apple unveiled the iMac, ANNNNDDDDD stinkbugs made their first appearance in Michigan.

The Invasive Species Arrives in Michigan

The brown marmorated stinkbug, as it's known in scientific circles, arrived in the Mitten State in 1998 and we have been collectively dodging these seemingly clumsy fliers ever since. They hitched a ride from Southeast Asia, more than likely on a piece of cargo that arrived in the United States sometime in the mid '90s, perhaps in Pennsylvania

Photo by Wyxina Tresse on Unsplash
Photo by Wyxina Tresse on Unsplash
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These lovely little pests are most drawn to homes with ornamental plants, gardens, berry bushes, and fruit trees. They also enjoy hanging out on the side of homes that get plenty of sun in the Spring and Summer.

The Stink Bugs Impact on Michigan Agriculture

National Geographic via YouTube
National Geographic via YouTube
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Their biggest impact in Michigan has been on crops. Stink bugs aren't picky eaters either, they'll eat any vegetable, fruit, legume, nut, cotton, and houseplants. The University of California's Integrated Pest Management program detailed how this invasive species cause crop damage, just by eating it with their straw-like mouths:

Stink bugs damage the crop directly by feeding on fruit. Early season feeding results in dimples or irregularly depressed areas on mature fruit. If the feeding occurs after maturity there is little external evidence other than excrement, which appears as small, brown, tear-shaped drops.

 

National Geographic via YouTube
National Geographic via YouTube
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Mid-Atlantic US farmers suffered catastrophic losses in 2010 thanks to the brown marmorated stink bugs' impact on peach and other fruit crops.

If You Squish a Stink Bug Does It Attract More? Experts Disagree

stink bug michigan
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As a defensive tactic, stink bugs secrete a pungent odor when they are threatened and especially when they are squished. Does this attract more stink bugs like some kind of insect hydra? Opinions vary:

The experts at Rutgers University are frequently asked 'Will killing the brown marmorated stink bug attract more?' Here's their answer:

No. While this is true for some types of insects it does not occur with the brown marmorated stink bug.

Would the fine people at Rutgers lie? Because BobVila.com disagrees:

If you do anything to bother the shield-shaped, dime-size stink bug, you may suddenly find yourself subject to its foul odor, which actually attracts even more stink bugs!

One has to respect a fine institution like Rutgers, but Bob Vila...he had a beard and a plaid shirt. Who do you believe?

What is That Smell?

National Geographic via YouTube
National Geographic via YouTube
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When it comes to smell, think of stinkbugs as the skunk of bugs: if you upset it, it might spray you (some species of stink bugs can spray the chemicals several inches, thanks for that nightmare fuel Orkin) and if you kill it, it will stink up an entire home.

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Turns out that smell has a lot of the same chemical elements present in cilantro but smell nowhere near as appetizing. If potent enough it can linger for hours, so it's best not to squish the little pests. Better to vacuum them up or flush them because the same chemicals that provide that odor also stain floors, carpets and other surfaces.

When Can You Expect Them To Arrive?

Mosquitos and stink bugs share similar seasons in Michigan, mainly between March and September. In Spring they emerge and start to feed. They need their strength because breeding season is May through August. Brown marmorated stink bugs lay a mass of about 20-30 eggs, which are usually red in color. Good news is they lay there eggs outdoors, usually under a leaf.

National Geographic via YouTube
National Geographic via YouTube
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Once they hatch they'll go through five molts before reaching full grown adulthood. Rutgers University say they'll spend a grand total of 6 to 8 months on the planet, most of it spent trying to find the warm places they are attracted to. This explains why you find so many of them in and around light fixtures and other electronics.

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Once Fall arrives these pests scramble to find a warm spot to spend any Winter months they may have in their short lives. This explains why the change of season brings stink bugs back into our homes. They are crafty too! They are ridiculously flat and can slip into even the tiniest of crevices. Once one stink bug finds a nice place to hunker down, they are nice enough to release that wonderful scent so that their family and friends all come cuddle together. This is when they go into diapause, a type of hibernation. Basically they take a long nap and start the cycle all over again in the Spring.

How Do I Prevent Them From Coming In?

Photo by charliewarl on Unsplash
Photo by charliewarl on Unsplash and Canva
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Seal it up tight! Every nook and cranny. These smelly interlopers can suck it in, flatten out and squeeze through even the tiniest of holes.

The United States Environmental Protection Agency (EPA), who considers the brown marmorated stink bug an invasive pest, recommends the following:

  • Caulk windows inside and out.

  • Weather strip entry doors and/or install door sweeps if daylight is visible around the perimeter of the door.

  • Rake away all debris and edible vegetation from your home’s foundation to keep from attracting pests.

  • Inspect for and seal foundation cracks to block a potential point of entry.

  • Secure crawlspace entries.

  • When insulating exposed plumbing pipes around the foundation or the crawlspace of your home, caulk small gaps and fill larger ones with steel wool.

  • If your home has a fireplace, cap or screen the top of the chimney to keep out pests.

  • Contact a pest control professional to treat surrounding vegetation near your home’s foundation, which can harbor large populations of stink bugs, with products registered for residential outdoor uses. For more information, see Choosing a Pest Control Company.

Are Stink Bugs Here to Stay?

Experts may not agree on whether or not squishing one will attract more, but most agree they aren't going anywhere anytime soon. In fact the brown marmorated stink bug has even begun to colonize the United Kingdom.

Michigan Home Remedies to Get Rid of Stink Bugs

They are considered “an invasive pest” in Michigan, so don’t feel guilty wishing the brown marmorated stink bug an untimely demise. The stink, hence, the name. They do have some natural predators, including beetles, crickets, spiders, and birds, but arming yourself is the best way to prevent these smelly little insects from taking over your home and yard.

How to Get Rid of Stink Bugs Once and For All
It should be said that the best way to get rid of any pest is to call a professional. There are many reputable removal services available in Michigan that have years of experience dealing with stink bugs.
However, because native Michigan families like to do everything they can to avoid paying a professional to do a job, we have compiled a list of 4 do it yourself home remedies that could dent your stink bug problem. Many of the items you’ll need to put together these homemade traps and sprays you may have already laying in your house or garage. Just be sure if you are using a spray bottle that you already have at home that it doesn’t already or you haven’t recently filled it with anything that could be harmful to your home surfaces, pets, and family.

Nothing Works Overnight
One thing all of these remedies have in common is patience. Stink bugs didn’t arrive from Southeast Asia into Michigan overnight, but you may be able to catch a few while you’re getting some sleep.
So Michigan let’s fight back. Go into your garages, search under your sinks, head to your hardware or grocery store, and arm up as we prepare to take on one of the Mitten States’ most formidable and rabidly reproducing nuisance species: The Brown Marmorated Stink Bug

These Ten Pests Are The Worst For Michigan Homeowners

This list was conducted by the Google searches conducted by Michiganders, and show the worst pests that are in the state of Michigan.

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