Hazel Sawfly vs Scarlet Pergid Sawfly
Side-by-side species comparison
| Attribute | Hazel Sawfly | Scarlet Pergid Sawfly |
|---|---|---|
| Scientific Name | Croesus septentrionalis | Pergagrapta polita |
| Order | Hymenoptera | Hymenoptera |
| Family | Tenthredinidae | Pergidae |
| Size | 8-10 mm | 10-16 mm |
| Habitat | Heathland | Woodlands |
| Diet | Herbivores | Herbivores |
| Regions | Europe, Western Asia | Eastern Australia |
| Conservation | Least Concern | Least Concern |
Hazel Sawfly
A medium-sized sawfly with an orange abdomen and dark thorax. The bluish-green larvae with black heads feed gregariously on hazel, birch, and alder.
Did You Know?
When disturbed, the gregarious larvae raise their tails simultaneously in an S-shape, creating an intimidating group display to deter predators.
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.