Embossed Stonefly vs Belkin's Dune Tabanid Fly
Side-by-side species comparison
| Attribute | Embossed Stonefly | Belkin's Dune Tabanid Fly |
|---|---|---|
| Scientific Name | Paragnetina immarginata | Brennania belkini |
| Order | Plecoptera | Diptera |
| Family | Perlidae | Tabanidae |
| Size | 18-25 mm | 1-1.5 cm |
| Habitat | Rivers & Streams | Deserts & Drylands |
| Diet | Predators | Predators |
| Regions | North America | United States |
| Conservation | Least Concern | Endangered |
Embossed Stonefly
A large patterned stonefly of clean eastern streams with raised body markings. Nymphs are top predators among stream cobble invertebrate communities.
Did You Know?
Nymphs moult up to 30 times before reaching adulthood, far more than most aquatic insects.
Belkin's Dune Tabanid Fly
A rare horse fly known only from the El Segundo sand dunes in Los Angeles County. Larvae develop in the sand and adults are seldom encountered.
Did You Know?
Most of the El Segundo dunes were destroyed to build Los Angeles International Airport.