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Montana Field Guide

Montana Field Guides

A Caddisfly - Zumatrichia notosa

Native Species

Global Rank: G2G4
State Rank: SNR

Agency Status


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General Description
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Observations in Montana Natural Heritage Program Database
Number of Observations: 17

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Relative Density



(Observations spanning multiple months or years are excluded from time charts)

Hydroptilid larvae occur in still and flowing freshwaters, generally on upper surfaces of rocks and boulders or amongst filamentous green algae or on macrophytes. Some species can be found in the splash zone of waterfalls or cascades, often aggregating in crevices amongst algal, liverwort and moss growths.

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Citation for data on this website:
A Caddisfly — Zumatrichia notosa.  Montana Field Guide.  .  Retrieved on , from