How to get rid of grain beetles in commercial kitchens

"We've started finding small beetles in our dry storage area near the flour and cereal bins. How do we get rid of grain beetles before they spread through the kitchen?"

Grain beetles are among the most common stored product pests found in commercial kitchens, bakeries, and food processing facilities. Species like the sawtoothed grain beetle, merchant grain beetle, flat grain beetle, and foreign grain beetle all target flour, cereal, grain, and other dry goods. A single overlooked bag can let a population establish itself quickly.

To get rid of a grain beetle infestation, start by inspecting every container of flour, cereal, pasta, and grain for signs of activity, including live insects, larvae, or fine webbing. Discard and bag anything that's infested, and don't just toss it in a nearby trash can. Move it outside right away so beetles can't crawl back into storage.

Next, deep clean the shelving, cracks, and container seams where these pests hide and breed. Vacuum up spilled product and residue, since even small amounts of flour dust can keep a population fed. Once the area is clean, store dry goods in sealed, pest-resistant containers rather than their original packaging. A standard stock rotation system can help, too: rotate stock using a first-in, first-out system so products don't sit long enough to attract pests.

Because these pests hide deep in cracks, behind equipment, and inside packaging that looks untouched, DIY sanitation alone often misses the source of an infestation. Our restaurant and bar pest control services utilize targeted inspection and monitoring to find infestations at the source, and our food processing pest control services help commercial kitchens stay audit-ready with ongoing protection built into your regular service schedule.