South American Whirligig Beetle vs Mountain Prosimulium
Side-by-side species comparison
| Attribute | South American Whirligig Beetle | Mountain Prosimulium |
|---|---|---|
| Scientific Name | Gyrinus ovatus | Prosimulium mixtum |
| Order | Coleoptera | Diptera |
| Family | Gyrinidae | Simuliidae |
| Size | 5-7 mm | 2-4 mm |
| Habitat | Ponds & Lakes | Mountains |
| Diet | Omnivores | Omnivores |
| Regions | North America, Central America, South America | North America |
| Conservation | Least Concern | Least Concern |
South American Whirligig Beetle
A widespread whirligig beetle found across temperate and tropical regions of the Americas. It is highly gregarious and forms dense surface swarms.
Did You Know?
Its flattened, boat-shaped body creates almost no wake, allowing it to glide efficiently across the water surface.
Mountain Prosimulium
An early-season black fly of cold mountain streams in North America. Larvae develop in small headwater streams during late winter and early spring.
Did You Know?
Adults emerge so early in spring that they are often the first biting flies encountered by hikers each year.