Mole Crickets in Missouri Lawns: Rare but Destructive — What to Watch For

The short version: mole crickets are rare in Missouri, and the species that wreck lawns down South don’t live here. If you’ve got raised tunnels across your St. Charles County lawn this month, the odds are good it’s moles, voles, grubs, or just a dry August — not mole crickets. Here is how to tell the difference before you spend money on the wrong fix.

What Are Mole Crickets?

Mole crickets are insects, not mammals, despite the name. They’re in the same order as crickets and grasshoppers, and they look like someone crossed a cricket with a mole. Adults run about 1 to 2 inches long, with a cylindrical body, small eyes, and big shovel-shaped front legs built for digging. That’s the giveaway — no other cricket in Missouri has those digging claws.

They spend almost their whole lives underground, tunneling through soil near the surface. They’ll eat plant roots, and some species are omnivores that also feed on worms and other small soil insects. The males are famous for singing from a specially shaped burrow that amplifies the sound — loud enough that on a quiet summer night you can hear them from across the yard.

Are Mole Crickets Actually in Missouri?

Yes and no, and the distinction matters.

The northern mole cricket (Neocurtilla hexadactyla) is native to eastern North America, and its range covers the eastern and central United States — Missouri included. You can find one here if you go looking in damp soil near ponds, creek banks, or low spots in a yard.

But the species that cause real lawn damage — tawny mole crickets, southern mole crickets, and short-winged mole crickets — are established in the southeastern United States, especially Florida and the Gulf Coast. They are not established in Missouri. When you read national articles about mole crickets destroying lawns, they’re almost always talking about those southern species.

So if you’re in St. Charles County, the realistic question isn’t “How do I kill mole crickets?” It’s “What is actually making these tunnels in my yard?”

How Mole Crickets Damage a Lawn

Where they do cause problems, mole crickets damage turf two ways:

• Tunneling. They push soil up as they dig just under the surface, which loosens the ground and dries out grass roots. Badly tunneled turf feels spongy underfoot and can pull up like loose carpet.
• Root feeding. Nymphs and some adults feed on grass roots and shoots, which turns patches brown — especially in hot, dry weather when the grass is already stressed.

The damage shows up worst in late summer, which is why homeowners start searching for “mole cricket” in August. It’s also why mole cricket damage gets confused with everything else that hits a lawn in August.

Mole Cricket vs. Moles vs. Grubs vs. Drought

Here is the table I’d print out and tape to the fridge:

What you see	Likely culprit	How to tell
Raised winding ridges, loose soil mounds, no dead grass directly on the ridge	Moles (mammals)	Ridges stay visible; grass on top often stays alive; moles eat grubs and worms, not grass
Thin surface runways through the grass, gnawed stems	Voles (mammals)	Runways hug the ground; small piles of clipped grass; no raised soil
Brown patches that pull up like carpet, roots chewed off	White grubs	Lift a patch — C-shaped white larvae with legs in the soil (see our white grub guide)
Brown patches with grass that comes out in clumps, hollow stems	Billbugs	Check stems for hollowed-out bases; adults are snout beetles, not crickets
Dead patches with grass blades chewed down at night	Sod webworms or armyworms	Soapy water flush brings up caterpillars; birds feeding at dusk
Even browning, no tunnels, no bugs, soil bone dry	Drought stress	No insects in a flush test; grass recovers slowly with water (see dormant vs. dead)
Spongy soil, raised tunnels, plus an actual cricket-like insect with shovel legs	Mole crickets	Soapy water flush brings up the insect itself — not a caterpillar, not a grub

I’ve written separate guides on white grubs, billbugs, sod webworms, and armyworms because those are the pests that actually show up in St. Charles County lawns in late summer. Run through that list first.

How to Confirm Mole Crickets (The Soapy Water Test)

The cheap, reliable test is the soapy water flush. You need:

• 2 tablespoons of dish soap (plain, not antibacterial, not bleach)
• 1 gallon of water
• A watering can or sprayer

Mix it, pour it over 2 square feet of the damaged area, and wait 2 to 5 minutes. Mole crickets and other tunneling insects come to the surface when the soap irritates them. If a cricket-shaped insect with digging claws crawls out, you’ve confirmed it. If nothing comes up, you’ve ruled mole crickets out — which, honestly, is the result I expect for almost every St. Charles County lawn.

A couple of things to know about the test:

• Do it in the morning or evening, not the hottest part of the day.
• Water the area lightly beforehand if the soil is bone dry.
• The test works for many other lawn insects too, which makes it a handy diagnostic overall. Check out our lawn fungus identification guide before you assume anything — a lot of August browning is disease, not insects.

What to Do If You Actually Find Them

Confirmed mole crickets in Missouri are rare enough that there’s no standard “every lawn in the county” treatment like there is for crabgrass or grubs. If you did find them, here’s the honest picture:

• Where they are matters. A few northern mole crickets near a damp, low area of the yard are not a turf emergency. They’re native insects in a habitat they like.
• Timing matters. In the South, treatments target nymphs in late summer (July through early September) before they grow and dig deeper. If you’re treating here, late summer is still the window that makes sense.
• Products. Bifenthrin, carbaryl, and imidacloprid are the active ingredients commonly used for mole cricket control in lawns. Baits exist too. But Missouri homeowners almost never need to apply these, and I would not blanket-treat a yard on the strength of a hunch.
• Read the label. Every one of those products has specific rates, watering instructions, and safety rules. Applying a lawn insecticide without reading the label is how you end up with a dead lawn or a sick pet.

If the tunneling is from moles instead, insecticides won’t help — you’re dealing with a mammal problem, not an insect problem, and the fix is different entirely.

When to Call a Professional

This is one of those jobs where DIY can work, but only if you’ve actually confirmed the pest first. If you can’t find the insect, you don’t have a mole cricket problem to solve — you have a different problem to identify.

A good local provider will:

• Look at the yard and confirm what’s actually tunneling before recommending anything
• Distinguish moles, voles, grubs, and drought from insect pests
• Treat only if there’s a real infestation, with the right product at the right time
• Be straight with you if the answer is “nothing needs spraying”

That last one matters more than people think. The right answer for most St. Charles County lawns this month is a mowing height check, a watering plan, and patience — not a pesticide application.

The Bottom Line

Mole crickets are rare in Missouri. The damaging southern species don’t live here, and the native northern species only causes problems in unusual situations. If you see tunnels in your lawn, run the soapy water test, check for moles and grubs first, and don’t buy mole cricket insecticide on a guess.

If you want help comparing local lawn care options, Midwest Lawn Care can connect you with vetted providers who work in your part of St. Charles County — whether you need a second set of eyes on tunneling damage, a grub treatment, or just a dependable crew for the rest of the season. No pressure, just a simpler way to find someone local who fits the job.