Columbia Gorge Caddisfly

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  • Species Common Name Columbia Gorge Caddisfly
  • Species Scientific Name Neothremma andersoni
  • Federal Listing Status Species of Concern


Special needs

This species occurs only in small streams in the Columbia Gorge.

Limiting factors

This Columbia Gorge endemic has a narrow distribution and may be especially vulnerable to changes in water quality and flow.

Conservation actions

Maintain stream water quality and sediment regimes.