Swift Rove Beetle vs North American Alderfly
Side-by-side species comparison
| Attribute | Swift Rove Beetle | North American Alderfly |
|---|---|---|
| Scientific Name | Tachyporus hypnorum | Sialis infumata |
| Order | Coleoptera | Megaloptera |
| Family | Staphylinidae | Sialidae |
| Size | 3-4 mm | 15-20 mm wingspan |
| Habitat | Farmland | Rivers & Streams |
| Diet | Predators | Predators |
| Regions | Europe, North Asia, introduced to North America | Eastern North America |
| Conservation | Least Concern | Least Concern |
Swift Rove Beetle
A small, streamlined rove beetle of the subfamily Tachyporinae with a tapered posterior and bicolored body. It is extremely abundant in agricultural fields and an important predator of cereal aphids.
Did You Know?
Despite their tiny size, Tachyporus beetles can consume more aphids per day than many larger predatory beetles, making them key biocontrol agents.
North American Alderfly
A small, dark-winged alderfly common near ponds and slow streams across eastern North America. Adults are clumsy fliers often found resting on streamside plants.
Did You Know?
Larvae spend one to two years burrowing in pond mud before emerging for a brief adult life of just days.