Green Oak Tortrix vs Thistle Tortoise Beetle
Side-by-side species comparison
| Attribute | Green Oak Tortrix | Thistle Tortoise Beetle |
|---|---|---|
| Scientific Name | Tortrix viridana | Cassida rubiginosa |
| Order | Lepidoptera | Coleoptera |
| Family | Tortricidae | Chrysomelidae |
| Size | 20-24 mm wingspan | 6-8 mm |
| Habitat | Woodlands | Grasslands |
| Diet | Herbivores | Herbivores |
| Regions | Europe, Western Asia, North Africa | Europe, Asia, introduced to New Zealand and North America |
| Conservation | Least Concern | Least Concern |
Green Oak Tortrix
A small bright green moth with pale hindwings that is the most important oak defoliator in Europe. Outbreak years can turn whole oak canopies brown by June.
Did You Know?
Defoliation by this moth has shaped oak woodland ecology for thousands of years.
Thistle Tortoise Beetle
A pale green to yellowish-brown tortoise beetle with a somewhat flattened, circular body. It has been used as a biocontrol agent against invasive thistles in several countries.
Did You Know?
It was deliberately introduced to New Zealand and Canada as a biological control agent to combat invasive thistle species.