Golden-tabbed Robber Fly vs Western Stone

Side-by-side species comparison

Attribute Golden-tabbed Robber Fly Western Stone
Scientific Name Choerades marginatus Doroneuria baumanni
Order Diptera Plecoptera
Family Asilidae Perlidae
Size 15-22mm 25-35 mm
Habitat Forests Mountains
Diet Predators Predators
Regions Europe North America
Conservation Least Concern Least Concern

Golden-tabbed Robber Fly

A large bristly brown robber fly with golden hair tufts that ambushes prey from sunny perches on logs.

💡

Did You Know?

Sits motionless on sun-warmed logs waiting for insects to fly past, then launches with explosive speed to intercept.

Western Stone

A large predatory stonefly of Pacific Northwest mountain streams. Nymphs have distinctive patterned heads and powerful mandibles.

💡

Did You Know?

Nymphs take up to three years to complete development in cold mountain streams.