Mountain Prosimulium vs Giant Water Strider
Side-by-side species comparison
| Attribute | Mountain Prosimulium | Giant Water Strider |
|---|---|---|
| Scientific Name | Prosimulium mixtum | Gigantometra gigas |
| Order | Diptera | Hemiptera |
| Family | Simuliidae | Gerridae |
| Size | 2-4 mm | 18-24 mm body, 250 mm leg span |
| Habitat | Mountains | Rivers & Streams |
| Diet | Omnivores | Omnivores |
| Regions | North America | Vietnam, Southern China, Southeast Asia |
| Conservation | Least Concern | Data Deficient |
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.
Giant Water Strider
The largest water strider in the world, found in Southeast Asian streams. Its leg span can reach over 25 cm across the water surface.
Did You Know?
With a leg span exceeding 25 centimeters, it is the undisputed giant of the water strider world.