Black Headed Birch Sawfly vs Bicolored Trailing Ant
Side-by-side species comparison
| Attribute | Black Headed Birch Sawfly | Bicolored Trailing Ant |
|---|---|---|
| Scientific Name | Craesus alniastri | Monacis bispinosa |
| Order | Hymenoptera | Hymenoptera |
| Family | Tenthredinidae | Formicidae |
| Size | 7-9 mm | 2-3 mm |
| Habitat | Woodlands | Forests |
| Diet | Herbivores | Nectar Feeders |
| Regions | Europe | Central America, Caribbean, Northern South America |
| Conservation | Least Concern | Least Concern |
Black Headed Birch Sawfly
A medium-sized sawfly with a dark head and orange body. Larvae are greenish-blue with black heads and feed communally on birch and alder leaves.
Did You Know?
When a predator approaches, the entire colony of larvae simultaneously rears up and thrashes, making the group appear larger and more threatening.
Bicolored Trailing Ant
A neotropical dolichoderine ant with two prominent spines on its thorax. It forms long foraging trails on tree trunks and is common in Caribbean and Central American forests.
Did You Know?
It is one of the few dolichoderine ants that possesses prominent thoracic spines for defense.