Toadflax Stem Weevil vs Green Protea Beetle

Side-by-side species comparison

Attribute Toadflax Stem Weevil Green Protea Beetle
Scientific Name Mecinus janthinus Smaragdesthes oertzeni
Order Coleoptera Coleoptera
Family Curculionidae Scarabaeidae
Size 3-4 mm 12-22 mm
Habitat Grasslands Forests
Diet Herbivores Nectar Feeders
Regions Europe Central Africa (DRC, Congo, Cameroon)
Conservation Least Concern Least Concern

Toadflax Stem Weevil

A dark metallic blue-purple weevil that feeds on toadflax species. Successfully used as a biological control agent for invasive Dalmatian toadflax in North America.

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Did You Know?

Released in North America as biological control, where it has successfully suppressed invasive Dalmatian toadflax.

Green Protea Beetle

A small but brilliantly metallic green beetle found in Central African forests. It is a frequent visitor to flowering trees and shrubs. The elytra have a smooth, highly reflective surface.

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Did You Know?

The intense green color of this beetle remains vivid even in preserved specimens, unlike many other insects whose colors fade.