Toadflax Stem Weevil vs Long-winged Barklouse
Side-by-side species comparison
| Attribute | Toadflax Stem Weevil | Long-winged Barklouse |
|---|---|---|
| Scientific Name | Mecinus janthinus | Ectopsocus briggsi |
| Order | Coleoptera | Psocoptera |
| Family | Curculionidae | Ectopsocidae |
| Size | 3-4 mm | 2-3 mm |
| Habitat | Grasslands | Woodlands |
| Diet | Herbivores | Herbivores |
| Regions | Europe | Europe, North America, Australasia |
| 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.
Did You Know?
Released in North America as biological control, where it has successfully suppressed invasive Dalmatian toadflax.
Long-winged Barklouse
A widespread bark louse found on tree trunks and dead leaves across Europe and introduced to other continents. It has long narrow wings.
Did You Know?
It has successfully colonized multiple continents through accidental human transport.