Giant Palm Borer vs Klamath Weed Beetle
Side-by-side species comparison
| Attribute | Giant Palm Borer | Klamath Weed Beetle |
|---|---|---|
| Scientific Name | Dinapate wrightii | Chrysolina quadrigemina |
| Order | Coleoptera | Coleoptera |
| Family | Bostrichidae | Chrysomelidae |
| Size | 40-52 mm | 5-7 mm |
| Habitat | Deserts & Drylands | Grasslands |
| Diet | Wood Feeders | Herbivores |
| Regions | Southwestern United States, Mexico | Europe (native), introduced to North America, Australia |
| Conservation | Not Evaluated | Least Concern |
Giant Palm Borer
One of the largest bostrichid beetles, with a cylindrical body adapted for boring into palm trunks. Larvae take years to develop.
Did You Know?
Its larval development can take 10 years or more inside a palm trunk before adults emerge.
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.