Nettle Root Weevil vs Formosan Rosalia

Side-by-side species comparison

Attribute Nettle Root Weevil Formosan Rosalia
Scientific Name Phyllobius virideaeris Rosalia formosa
Order Coleoptera Coleoptera
Family Curculionidae Cerambycidae
Size 3-5 mm 20-35 mm
Habitat Hedgerows Forests
Diet Herbivores Sap Feeders
Regions Europe Taiwan
Conservation Least Concern Near Threatened

Nettle Root Weevil

A bright green-scaled weevil found on nettles and other vegetation in spring. Extremely common but the scales wear off with age revealing black cuticle. Adults chew leaf edges.

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Did You Know?

Fresh specimens are brilliant metallic green, but old worn individuals look like completely different black beetles.

Formosan Rosalia

A stunning cerambycid endemic to Taiwan with turquoise-blue elytra and black markings. It inhabits montane hardwood forests at elevations above 1000 meters. It is highly prized by collectors and rarely encountered in the wild.

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Did You Know?

This species appears on a Taiwanese postage stamp issued in 2010, highlighting its cultural significance.