Scarce Chaser vs Striped Alder Sawfly
Side-by-side species comparison
| Attribute | Scarce Chaser | Striped Alder Sawfly |
|---|---|---|
| Scientific Name | Libellula fulva | Hemichroa crocea |
| Order | Odonata | Hymenoptera |
| Family | Libellulidae | Tenthredinidae |
| Size | 55-60 mm wingspan | 7-9 mm |
| Habitat | Rivers & Streams | Rivers & Streams |
| Diet | Herbivores | Herbivores |
| Regions | Europe | North America, Europe |
| Conservation | Least Concern | Least Concern |
Scarce Chaser
A medium-sized dragonfly where mature males develop a powdery blue abdomen. It is associated with clean, slow-flowing rivers with abundant marginal vegetation.
Did You Know?
Despite its name, the scarce chaser has become increasingly common in parts of Europe as water quality in rivers has improved.
Striped Alder Sawfly
A brightly colored sawfly with an orange body and black markings on the thorax. Larvae are pale yellowish-green with dark dorsal stripes and feed on alder and birch.
Did You Know?
This species can reproduce both sexually and parthenogenetically, with unfertilized eggs developing into males.