Hazel Sawfly vs Yellow Crazy Ant
Side-by-side species comparison
| Attribute | Hazel Sawfly | Yellow Crazy Ant |
|---|---|---|
| Scientific Name | Croesus septentrionalis | Anoplolepis gracilipes |
| Order | Hymenoptera | Hymenoptera |
| Family | Tenthredinidae | Formicidae |
| Size | 8-10 mm | 4-5 mm |
| Habitat | Heathland | Beaches & Coastal |
| Diet | Herbivores | Fruit Feeders |
| Regions | Europe, Western Asia | Southeast Asia, Pacific Islands, Indian Ocean Islands, Australia |
| Conservation | Least Concern | Not Evaluated |
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.
Yellow Crazy Ant
A long-legged, fast-moving invasive ant named for its erratic running pattern. They form supercolonies with multiple queens that can devastate island ecosystems.
Did You Know?
On Christmas Island they killed millions of native red crabs, fundamentally altering the island's entire ecosystem.