Camel Crickets in Your St. Louis Basement
You’re doing laundry in the basement when something large and spider-like leaps off the wall. It’s not a spider. It’s too big, too leggy, and it jumped straight at you instead of running away.
Meet the camel cricket. They’re one of the most startling pests in St. Louis basements, not because they’re dangerous, but because they’re fast, they jump unpredictably, and they look like something from another planet.
What Are Camel Crickets?
Camel crickets (also called cave crickets or spider crickets) are wingless, humpbacked insects with extremely long antennae and oversized hind legs built for jumping. They’re light brown, about an inch long, and completely silent. Unlike field crickets, they don’t chirp.
They’re not aggressive and they don’t bite. But when startled, they jump toward perceived threats rather than away. It’s a defense mechanism that works on predators but terrifies homeowners.
Research from North Carolina State University found that non-native camel cricket species have spread into homes across the eastern United States and are now far more common indoors than native species. St. Louis basements, crawl spaces, and utility rooms replicate the dark, damp cave environments these crickets naturally prefer.
Why They’re in Your Basement
Camel crickets are moisture-dependent. They don’t survive well in dry environments and are drawn to the most humid areas of your home. Unfinished basements, crawl spaces, laundry rooms, and bathroom areas with poor ventilation are ideal habitat.
In Jefferson County (including Arnold, Imperial, and Barnhart), homes built into hillsides or with walk-out basements are especially prone to camel cricket infestations because the lower levels maintain higher humidity year-round.
They enter through foundation cracks, gaps around basement windows, and openings where utility lines penetrate the wall. They’re also attracted to ground-level clutter like stacked cardboard boxes, firewood stored in garages, and leaf litter against the foundation.
Camel Crickets vs. Other Basement Pests
People often confuse camel crickets with spiders because of their long legs and erratic movement. Here’s how to tell the difference.
Camel crickets have a distinctive humpbacked body shape, very long antennae (often longer than their body), and six legs. Spiders have eight legs and no antennae. Camel crickets jump when disturbed; most basement spiders freeze or run.
They’re also frequently confused with regular crickets, but the lack of wings, the hump, and the silence are dead giveaways. If it jumped at you and didn’t make a sound, it’s a camel cricket.
The NPMA’s PestWorld guide to camel crickets notes that large populations often indicate significant moisture issues in the structure. And the EPA’s introduction to Integrated Pest Management emphasizes that controlling moisture-dependent pests starts with fixing the environmental conditions that attract them, not just treating the insects themselves.
How to Reduce Camel Cricket Activity
Controlling moisture is the single most effective step. Run a dehumidifier in the basement and keep relative humidity below 60%. Fix any water intrusion, condensation, or plumbing leaks.
Remove clutter from the basement floor, especially cardboard boxes, which absorb moisture and provide hiding spots. Replace cardboard with sealed plastic bins. Pull storage away from walls.
Seal foundation cracks and gaps around basement windows and utility penetrations. Install door sweeps on any doors leading to the basement from outside.
Sticky traps placed along walls and in corners are effective for monitoring and catching camel crickets. They’re attracted to damp areas, so place traps near floor drains, sump pits, and water heaters.
How Pure Pest + Lawn Can Help
Schedule a free inspection. We assess moisture conditions, identify entry points, and determine the extent of the infestation.
We apply targeted treatments. Residual applications in cracks, crevices, and along travel paths, plus treatment of the prey insects that attract camel crickets.
Enjoy a basement you’re not afraid of. Use your full home, including the basement, without bracing for something to jump at you.
Our pest control plans include quarterly interior and exterior treatments that create a barrier against camel crickets and the moisture-loving insects they feed on.
Pure Pest + Lawn has been protecting St. Louis homes since 1933. Over 1,000 five-star reviews. BBB Torch Award for Ethics.
Something jumping in the basement? Call 314-222-PEST (7378) or schedule online.
