Bean Weevil vs House Longhorn Beetle

Side-by-side species comparison

Attribute Bean Weevil House Longhorn Beetle
Scientific Name Acanthoscelides obtectus Hylotrupes bajulus
Order Coleoptera Coleoptera
Family Chrysomelidae Cerambycidae
Size 2-4 mm 8–25 mm
Habitat Gardens Woodlands
Diet Seed Feeders Wood Feeders
Regions Central America (native), cosmopolitan Europe, North America, South Africa, Australia
Conservation Least Concern Not Evaluated

Bean Weevil

A small, mottled grayish-brown beetle with a compact, somewhat wedge-shaped body. It is a major stored-product pest that develops inside dried beans and other legume seeds.

💡

Did You Know?

Multiple larvae can develop inside a single bean, and adults can fly directly to bean fields to infest crops before harvest.

House Longhorn Beetle

A serious structural pest of softwood timber in buildings worldwide. Larvae can feed inside roof timbers for up to ten years before emerging.

💡

Did You Know?

Larvae can be heard chewing inside timber, making rasping sounds that are audible through walls.