Willow Sawfly vs Mariana Eight-spot Butterfly
Side-by-side species comparison
| Attribute | Willow Sawfly | Mariana Eight-spot Butterfly |
|---|---|---|
| Scientific Name | Nematus salicis | Hypolimnas octocula marianensis |
| Order | Hymenoptera | Lepidoptera |
| Family | Tenthredinidae | Nymphalidae |
| Size | 7-9 mm (adult) | 5-7 cm wingspan |
| Habitat | Wetlands | Forests |
| Diet | Herbivores | Herbivores |
| Regions | Europe | United States |
| Conservation | Not Evaluated | Endangered |
Willow Sawfly
A defoliator of willows across Europe found in wetlands and riparian areas. Larvae feed gregariously on willow leaves from May to autumn.
Did You Know?
Multiple overlapping generations allow continuous feeding pressure throughout the growing season.
Mariana Eight-spot Butterfly
A butterfly subspecies endemic to the Mariana Islands in the western Pacific. It has suffered from habitat destruction and invasive species.
Did You Know?
The brown tree snake, an invasive predator, has devastated many native species on Guam including this butterfly.