Spring Fishfly vs Western Dobsonfly
Side-by-side species comparison
| Attribute | Spring Fishfly | Western Dobsonfly |
|---|---|---|
| Scientific Name | Chauliodes rastricornis | Neohermes californicus |
| Order | Megaloptera | Megaloptera |
| Family | Corydalidae | Corydalidae |
| Size | 25-35 mm | 50-70 mm wingspan |
| Habitat | Rivers & Streams | Mountains |
| Diet | Omnivores | Predators |
| Regions | North America | Western North America |
| Conservation | Least Concern | Least Concern |
Spring Fishfly
A medium-sized fishfly with pectinate antennae found in eastern North America. Adults are attracted to lights near rivers and streams during spring.
Did You Know?
Spring fishflies can be distinguished from dobsonflies by their feathery, comb-like antennae and smaller body size.
Western Dobsonfly
A large dobsonfly of western North American streams, smaller than its eastern relative. Larvae are top predators under rocks in cool mountain streams.
Did You Know?
Unlike eastern dobsonflies, males of this species lack the enlarged mandibles.