House Longhorn Beetle vs Three-Lined Potato Beetle

Side-by-side species comparison

Attribute House Longhorn Beetle Three-Lined Potato Beetle
Scientific Name Hylotrupes bajulus Lema daturaphila
Order Coleoptera Coleoptera
Family Cerambycidae Chrysomelidae
Size 8–25 mm 6-7 mm
Habitat Woodlands Farmland
Diet Wood Feeders Herbivores
Regions Europe, North America, South Africa, Australia North America
Conservation Not Evaluated Least Concern

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.

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Did You Know?

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

Three-Lined Potato Beetle

A yellow-orange leaf beetle with three black stripes, resembling a smaller Colorado potato beetle. It feeds on tomatillos, ground cherries, and related plants.

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Did You Know?

Like cereal leaf beetle larvae, its larvae pile their own excrement on their backs as a defensive shield.