What’s Active Now
June is going out with a bang here in Yuba County — triple-digit heat through the valley, irrigation running full tilt in the rice fields, and pest activity that matches the intensity. Here’s what we’re seeing on the ground this week.
- Brown Widows: Often overshadowed by their black widow cousins, brown widows are showing up in force right now — tucked into patio furniture, garage corners, and the undersides of deck railings across Yuba City, Linda, and Olivehurst. They thrive in dry, sheltered spots and the sustained heat we’ve had since mid-June is exactly the conditions they favor. Their egg sacs look like spiky tan orbs, which is a key ID marker. They’re less venomous than black widows but still worth treating seriously.
- Ant Nuptial Flights: That warm, humid evening after a brief breeze? That’s nature’s flight signal. We’re squarely in nuptial flight season for several ant species across the county. You may have noticed clouds of winged ants rising from sidewalk cracks or bare soil near your foundation — especially in Wheatland and Gridley where disturbed agricultural soil is abundant. Don’t confuse these with termites. If you’re unsure, we’re happy to take a look.
- Crickets: Field crickets are migrating toward homes as the surrounding pastures and field edges dry out under the heat. They’re following moisture — into garages, crawl spaces, and through any gap under a door that isn’t properly sealed. Residents near the Feather River levees and the rural edges of Marysville are reporting high numbers already. Their chirping at night is the first sign a serious infestation is building.
- Hornets (Aerial Nesters): Baldfaced hornets are building paper nests in eaves, in shrubs, and up in fruit trees right now — and at this point in the season, colonies are growing fast. Unlike early spring when a nest might hold 20 workers, a late-June nest can already have 100-plus. Don’t poke it. Don’t spray it with a garden hose. Just call.
- Earwigs: Heavy irrigation around landscaping and garden beds has earwigs thriving in the moist mulch layer beneath plants. They’re nocturnal, so you’ll notice them when you move a pot or step outside after dark. Around Live Oak and the more rural residential properties, we’re getting more earwig calls than usual this week.
Prevention Tips
- Seal door gaps now. Crickets and earwigs are opportunists — a worn door sweep is an open invitation. Check garage doors especially, where the rubber seal often dries and cracks in our summer heat.
- Reduce outdoor lighting near entry points. Crickets are drawn hard to white and yellow porch lights. Switching to LED warm-spectrum bulbs or motion-activated lights significantly cuts the attractant effect.
- Inspect patio furniture weekly. Brown widows love the hollow tubing of plastic chairs and tables. A quick look underneath before you sit down — especially on furniture that’s been sitting unused — takes five seconds and could save a trip to the ER.
- Pull mulch back from foundation walls. A four-inch gap between your mulch line and the foundation eliminates the moist harbor that earwigs, ants, and other moisture-seekers rely on to survive the summer heat.
Seasonal Outlook
Over the next two to four weeks, expect cricket pressure to intensify as the surrounding fields get dryer. Hornet colonies will reach peak aggression by mid-July, making any nest removal increasingly risky for the untrained. Nuptial flight events will continue through July, and some of those new queens will successfully establish colonies in or near your home — which means late-summer ant problems are already being seeded right now. Brown widow populations typically hold steady through September, so don’t let your guard down after summer fades.
When to Call a Pro
Reach out to a licensed pest professional if you’re finding brown or black widow webs inside living spaces or children’s play areas, if a hornet nest is within ten feet of a door or window, if cricket noise is coming from inside walls or the crawl space, or if you’re seeing winged ants emerging from baseboards or wood framing (that warrants a termite inspection to rule out a related problem).
The team at Green Bones Pest Control serves Yuba County, Sutter County, and surrounding communities with honest, effective solutions. Give us a call at 530-923-0071 — we’re here to help you enjoy your summer without sharing it with the wrong guests.