Finger-net Caddisfly vs Stripetail Stonefly

Side-by-side species comparison

Attribute Finger-net Caddisfly Stripetail Stonefly
Scientific Name Philopotamus montanus Isoperla bilineata
Order Trichoptera Plecoptera
Family Philopotamidae Perlodidae
Size 10-14 mm 10-15 mm
Habitat Rivers & Streams Rivers & Streams
Diet Omnivores Predators
Regions Europe Eastern North America
Conservation Least Concern Least Concern

Finger-net Caddisfly

A medium caddisfly with golden-brown wings. Larvae spin finger-shaped silken nets in fast-flowing water to capture ultrafine particles of organic matter.

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Did You Know?

Its silk nets have an incredibly fine mesh, filtering particles as small as one micrometer.

Stripetail Stonefly

A yellow-green stonefly with two distinctive dark stripes on its tails. It is common in clean North American streams during spring.

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Did You Know?

Its distinctively striped cerci make it one of the easiest North American stoneflies to identify.