description Larder Beetle Overview
[Dermestes lardarius](https://www.grainscanada.gc.ca/en/grain-quality/manage/identify-an-insect/secondary-insect-pests/larder-beetle.html), the larder beetle, is a cosmopolitan dermestid beetle and a scavenging pest of protein-rich materials. Adults are about 7 to 9 millimeters long and have dark wing covers with a pale band marked by dark spots; the hairy larvae are the main damaging stage. They infest cured and dried meats, fish, cheese, pet food, hides, feathers, and museum specimens, and may leave cast skins and holes in infested material.
help Larder Beetle FAQ
What is a larder beetle?
The larder beetle is Dermestes lardarius, a cosmopolitan dermestid beetle. It is a scavenging pest that feeds on protein-rich materials and can occur in homes, stores, and food-processing areas.
How large are adult larder beetles?
Adults are about 7 to 9 millimeters long. Their compact, dark body and lighter band across the wing covers help distinguish them from some other household beetles.
What does the larder beetle eat?
It feeds on dried or decomposing protein-rich materials, including stored animal products and similar waste. Larvae can also damage materials containing keratin or other animal-derived matter.
Why are larder beetles found indoors?
Buildings can provide food and shelter, especially where dried food, pet food, dead insects, or animal materials are present. The beetles are widespread, so indoor sightings are not limited to one country or climate.
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