Alder Leaf Beetle vs Red Milkweed Beetle
Side-by-side species comparison
| Attribute | Alder Leaf Beetle | Red Milkweed Beetle |
|---|---|---|
| Scientific Name | Agelastica alni | Tetraopes tetrophthalmus |
| Order | Coleoptera | Coleoptera |
| Family | Chrysomelidae | Cerambycidae |
| Size | 6-7 mm | 9-14 mm |
| Habitat | Ponds & Lakes | Grasslands |
| Diet | Herbivores | Root Feeders |
| Regions | Europe, Western Asia | Eastern North America |
| Conservation | Least Concern | Least Concern |
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.
Red Milkweed Beetle
A bright red beetle with black spots, exclusively associated with common milkweed. Its antennae bisect its compound eyes, giving it four apparent eyes.
Did You Know?
Its scientific name means 'four eyes, four eyes,' referring to how antennae split each eye in two.