Warehouse beetles

Identification

  • Colour Darker brown or black
  • Size From 3 mm to 5 mm long
  • Description Oval and may appear mottled. Wing cases are covered in hairs, with brown/red bands.
  • Notes Larvae are yellowish-white with tufts of hair lining their body. They get darker as they mature.

General Facts

Why do I have warehouse beetles?

While adult warehouse beetles eat nectars, pollens, dead insects, and dried animal carcasses, their larvae feed on a wide range of food products, including cereals, seeds, cornmeal, dried pet food, spices, pasta noodles, cookies, candy, and milk powder.

For this reason, they are often found in home pantries, flour and feed mills, warehouses, dried milk factories, stored-grain facilities and distribution centres, and processing plants. Warehouse beetles have even been known to infest the nests of bees, rodents, and birds.

Sometimes, infestations start when adult beetles feed on insect or animal carcasses found in warehouses and distribution centres, before moving on to the products that are manufactured or stored there.

How worried should I be about warehouse beetles?

Warehouse beetle larvae can wreak havoc in pantries and businesses, chewing through most protective wrappings, including plastics and aluminum foil, and ruining food products. In homes, this can leave them inedible. In businesses, this can have a serious financial impact.

The setae, or shape hairs, on the body of the larvae can also cause gastrointestinal irritation in infants, children, and susceptible individuals, resulting in vomiting and diarrhea. For extremely sensitive individuals, the hairs can also cause an allergic reaction.

You can use pheromone traps and appropriately labelled insecticides to control minor infestations. But warehouse beetles are cunning survivors, with larvae actually delaying development into adult beetles if conditions are less than favourable. This means it's essential to undertake a long-term, integrated pest management program to truly eradicate them.

How can I prevent warehouse beetles invading?

Monitor and inspect all possible food sources, Thoroughly vacuum cabinets, shelving, and crevices, Use stored foods with earlier expiration dates first, Do not mix older food products with newer ones, Store food in glass jars with securely fastened lids

Other pests related to Warehouse beetles

Remove pests from your home, and stop them from coming back

We work hard to listen, understand and assess your unique situation. Request a free, no-obligation estimate today for a customized pest program that fits your needs.

Request a Free Home Estimate
Request a Free Business Consultation

Residential Services

Protect your home from unwanted pests with customized pest control treatment

Residential Services
Commercial Services

100% Satisfaction or Money Back Guarantee

Resolving your pest problem is our #1 priority. If re-treatment is required, we'll provide immediate services at no extra cost. If your expectations are not met, we guarantee a full refund of your service payment.

Remove pests from your home, and stop them from coming back

We work hard to listen, understand and assess your unique situation. Request a free, no-obligation estimate today for a customized pest program that fits your needs.

Request a Free Home Estimate
Request a Free Business Consultation