Twolined Chestnut Borer vs Alder Leaf Beetle
Side-by-side species comparison
| Attribute | Twolined Chestnut Borer | Alder Leaf Beetle |
|---|---|---|
| Scientific Name | Agrilus bilineatus | Agelastica alni |
| Order | Coleoptera | Coleoptera |
| Family | Buprestidae | Chrysomelidae |
| Size | 5–12 mm | 6-7 mm |
| Habitat | Woodlands | Ponds & Lakes |
| Diet | Sap Feeders | Herbivores |
| Regions | Eastern North America | Europe, Western Asia |
| Conservation | Not Evaluated | Least Concern |
Twolined Chestnut Borer
A jewel beetle that attacks stressed oaks and chestnuts in eastern North America. It is named for two pale stripes running along its wing covers.
Did You Know?
Drought-stressed oaks are highly susceptible, and repeated attacks over two to three years can kill large trees.
Alder Leaf Beetle
A metallic dark violet-blue beetle that feeds on alder trees. Heavy infestations can completely defoliate alder trees along waterways.
Did You Know?
After being absent from Britain for decades, it dramatically recolonised southern England in the early 2000s.