American Needlefly vs Golden Stonefly

Side-by-side species comparison

Attribute American Needlefly Golden Stonefly
Scientific Name Leuctra tenuis Calineuria californica
Order Plecoptera Plecoptera
Family Leuctridae Perlidae
Size 5-8 mm 25-35 mm
Habitat Rivers & Streams Rivers & Streams
Diet Detritivores Predators
Regions North America North America
Conservation Least Concern Least Concern

American Needlefly

A delicate needle-thin stonefly of Appalachian headwater streams. Nymphs are important processors of autumn-shed leaf litter.

💡

Did You Know?

Multiple Leuctra species can coexist in the same stream by emerging at different times of year.

Golden Stonefly

A large predatory stonefly with a golden-brown body found in western North American rivers. Its nymphs are active hunters on the streambed.

💡

Did You Know?

Golden stonefly nymphs are apex predators of the streambed, hunting mayfly and caddisfly larvae among the cobbles.