Speckled Peter Stonefly vs Cinnamon Caddis

Side-by-side species comparison

Attribute Speckled Peter Stonefly Cinnamon Caddis
Scientific Name Paragnetina media Ceratopsyche morosa
Order Plecoptera Trichoptera
Family Perlidae Hydropsychidae
Size 15-22 mm 10-14 mm
Habitat Rivers & Streams Rivers & Streams
Diet Predators Nectar Feeders
Regions North America North America
Conservation Least Concern Least Concern

Speckled Peter Stonefly

A medium-sized patterned stonefly of eastern streams with distinctive speckled wing markings. Nymphs are voracious predators among cobbles.

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Did You Know?

Nymphs have been observed actively stalking prey rather than simply ambushing passing invertebrates.

Cinnamon Caddis

A medium-sized net-spinning caddisfly with warm cinnamon-brown wings. Larvae build intricate silk capture nets in fast riffles across North America.

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Did You Know?

Larvae will aggressively defend their net-building territories against rival caddisfly larvae.