Jewel Frog Beetle vs Klamath Weed Beetle
Side-by-side species comparison
| Attribute | Jewel Frog Beetle | Klamath Weed Beetle |
|---|---|---|
| Scientific Name | Sagra longicollis | Chrysolina quadrigemina |
| Order | Coleoptera | Coleoptera |
| Family | Chrysomelidae | Chrysomelidae |
| Size | 18-30mm | 5-7 mm |
| Habitat | Forests | Grasslands |
| Diet | Herbivores | Herbivores |
| Regions | Asia | Europe (native), introduced to North America, Australia |
| Conservation | Least Concern | Least Concern |
Jewel Frog Beetle
A spectacular metallic beetle with colors ranging from deep red to purple and green. Males have greatly enlarged hind femora.
Did You Know?
The males oversized hind legs serve no locomotory purpose and are used solely for fighting and grasping during mating.
Klamath Weed Beetle
A dark bronze to coppery-brown beetle with a convex, heavily punctured body. It was introduced to control the invasive Klamath weed (St. John's wort) and became a classic biocontrol success story.
Did You Know?
Its introduction to California in the 1940s reduced Klamath weed infestations by over 99%, saving millions of acres of rangeland.