Blue Leaf Beetle vs Striped Alder Sawfly
Side-by-side species comparison
| Attribute | Blue Leaf Beetle | Striped Alder Sawfly |
|---|---|---|
| Scientific Name | Colaspidema atrum | Hemichroa crocea |
| Order | Coleoptera | Hymenoptera |
| Family | Chrysomelidae | Tenthredinidae |
| Size | 4-6 mm | 7-9 mm |
| Habitat | Farmland | Rivers & Streams |
| Diet | Herbivores | Herbivores |
| Regions | Southern Europe, North Africa, Western Asia | North America, Europe |
| Conservation | Least Concern | Least Concern |
Blue Leaf Beetle
A small, oval, dark blue to black beetle with a slight metallic luster. It can be a pest of lucerne (alfalfa) and other legume crops across Southern Europe and North Africa.
Did You Know?
Large populations can rapidly defoliate alfalfa fields, with damage often concentrated in specific areas of a field called 'hot spots.'
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.