Toadflax Stem Weevil vs Scarlet Pergid Sawfly
Side-by-side species comparison
| Attribute | Toadflax Stem Weevil | Scarlet Pergid Sawfly |
|---|---|---|
| Scientific Name | Mecinus janthinus | Pergagrapta polita |
| Order | Coleoptera | Hymenoptera |
| Family | Curculionidae | Pergidae |
| Size | 3-4 mm | 10-16 mm |
| Habitat | Grasslands | Woodlands |
| Diet | Herbivores | Herbivores |
| Regions | Europe | Eastern Australia |
| 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.
Scarlet Pergid Sawfly
A brightly colored Australian sawfly with a polished dark body and reddish highlights. Larvae feed on eucalyptus and are often found in clusters.
Did You Know?
The genus Pergagrapta is endemic to Australia and represents part of the remarkable radiation of pergid sawflies on that continent.