Dark-stigma Snakefly vs Western Snakefly
Side-by-side species comparison
| Attribute | Dark-stigma Snakefly | Western Snakefly |
|---|---|---|
| Scientific Name | Phaeostigma notata | Agulla adnixa |
| Order | Raphidioptera | Raphidioptera |
| Family | Raphidiidae | Raphidiidae |
| Size | 12-15 mm body | 12-16 mm |
| Habitat | Woodlands | Woodlands |
| Diet | Predators | Predators |
| Regions | Europe | Western North America |
| Conservation | Least Concern | Least Concern |
Dark-stigma Snakefly
A primitive predatory insect with an elongated prothorax giving it a snake-like neck. Found on tree trunks in woodland. Both adults and larvae prey on small insects.
Did You Know?
Snakeflies are living fossils with a body plan virtually unchanged for over 140 million years.
Western Snakefly
A North American snakefly found in western forests and woodlands. Larvae develop under bark of conifers where they hunt bark beetle larvae.
Did You Know?
Western snakeflies require a cold winter period to complete development, which is why they are absent from tropical regions.