Fall Webworm vs Japanese Spicebush Swallowtail
Side-by-side species comparison
| Attribute | Fall Webworm | Japanese Spicebush Swallowtail |
|---|---|---|
| Scientific Name | Hyphantria cunea | Papilio protenor |
| Order | Lepidoptera | Lepidoptera |
| Family | Erebidae | Papilionidae |
| Size | 25-42 mm wingspan | 80-120 mm wingspan |
| Habitat | Grasslands | Gardens |
| Diet | Herbivores | Nectar Feeders |
| Regions | North America, Europe, Asia | East Asia, Japan/Korea |
| Conservation | Not Evaluated | Least Concern |
Fall Webworm
A native North American moth whose caterpillars build communal silk webs on tree branches. It has become invasive in Europe and Asia.
Did You Know?
Unlike tent caterpillars, fall webworm nests enclose the foliage the larvae are feeding on.
Japanese Spicebush Swallowtail
A striking all-black swallowtail known as 'kuro-ageha' in Japanese. The hindwings have subtle red and blue markings. Common in wooded areas and gardens across Japan and Korea.
Did You Know?
The caterpillars of this species have a remarkable snake-mimicry defense, with large eyespots on their thorax that resemble a snake's head.