Speckled Longhorn vs Ragweed Leaf Beetle
Side-by-side species comparison
| Attribute | Speckled Longhorn | Ragweed Leaf Beetle |
|---|---|---|
| Scientific Name | Pachytodes cerambyciformis | Zygogramma suturalis |
| Order | Coleoptera | Coleoptera |
| Family | Cerambycidae | Chrysomelidae |
| Size | 7-12mm | 6-8 mm |
| Habitat | Hedgerows | Grasslands |
| Diet | Wood Feeders | Herbivores |
| Regions | Europe | North America (native), introduced to Russia, China, Europe |
| Conservation | Least Concern | Least Concern |
Speckled Longhorn
A small yellow longhorn beetle with variable black spots and markings. It is a frequent visitor to hogweed and other umbelliferous flowers.
Did You Know?
Despite being common it is remarkably variable in its spot pattern with no two individuals looking exactly alike.
Ragweed Leaf Beetle
A brown beetle with dark longitudinal stripes on the elytra, introduced to several countries as a biocontrol agent against common ragweed. Both adults and larvae feed on ragweed foliage.
Did You Know?
It was introduced from North America to the former Soviet Union in the 1970s as biological control against ragweed, a major hay fever allergen source.