Sweetbay Silk Moth vs Yellow May Dun
Side-by-side species comparison
| Attribute | Sweetbay Silk Moth | Yellow May Dun |
|---|---|---|
| Scientific Name | Callosamia securifera | Heptagenia sulphurea |
| Order | Lepidoptera | Ephemeroptera |
| Family | Saturniidae | Heptageniidae |
| Size | 80-105 mm | 10-15 mm |
| Habitat | Wetlands | Rivers & Streams |
| Diet | Omnivores | Omnivores |
| Regions | Southeastern United States coastal plain | Europe |
| Conservation | Least Concern | Least Concern |
Sweetbay Silk Moth
A large silk moth similar to the promethea but associated with sweetbay magnolia in the southeastern United States. Males are dark brown-black and females are reddish-brown.
Did You Know?
The sweetbay silk moth is so closely tied to wetland habitats that its distribution precisely mirrors that of sweetbay magnolia swamps along the Atlantic and Gulf coasts.
Yellow May Dun
A bright sulfur-yellow mayfly common across European rivers during early summer. Its flat nymphs are adapted to fast-flowing water on stony substrates.
Did You Know?
The striking yellow color of this mayfly makes it one of the most easily recognizable species on European rivers.