Ash Bark Weevil vs Rhinoceros Stag Beetle

Side-by-side species comparison

Attribute Ash Bark Weevil Rhinoceros Stag Beetle
Scientific Name Magdalis armigera Odontolabis gazella
Order Coleoptera Coleoptera
Family Curculionidae Lucanidae
Size 3-5 mm 35-80 mm
Habitat Hedgerows Forests
Diet Gall Makers Wood Feeders
Regions Europe Southeast Asia (Thailand, Vietnam, Malaysia, Laos, Myanmar)
Conservation Least Concern Least Concern

Ash Bark Weevil

A small black weevil that breeds under the bark of ash trees. Larvae create winding galleries in the cambium. Has become more noticed with ash dieback disease.

💡

Did You Know?

Often colonizes ash trees already weakened by ash dieback disease, accelerating their decline.

Rhinoceros Stag Beetle

A medium to large stag beetle with orange-brown elytra and a black head and thorax. Males exist in three distinct forms: large-mandibled, medium, and small-mandibled, each with different fighting strategies.

💡

Did You Know?

The three male forms use entirely different reproductive strategies: large males fight, medium males sneak, and small males employ rapid mating tactics.