Toadflax Stem Weevil vs Lopaphus Stick Insect

Side-by-side species comparison

Attribute Toadflax Stem Weevil Lopaphus Stick Insect
Scientific Name Mecinus janthinus Lopaphus sphalerus
Order Coleoptera Phasmatodea
Family Curculionidae Lonchodidae
Size 3-4 mm 6-8 cm
Habitat Grasslands Forests
Diet Herbivores Herbivores
Regions Europe Vietnam, Laos
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.

Lopaphus Stick Insect

A medium-sized stick insect from Southeast Asia with small wings. It has a smooth body and relatively long antennae.

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Did You Know?

The genus Lopaphus contains numerous species that are difficult to distinguish without molecular analysis.