Search Field Guide
Advanced Search
MT Gov Logo
Montana Field Guide

Montana Field Guides

A Caddisfly - Zumatrichia notosa

No photos are currently available
If you have a high quality photo of this species, are confident in the identification, and would like to submit it for inclusion on the Montana Field Guide, please send it to us using our online photo submission tool.

Species of Concern
Native Species

Global Rank: G2G4
State Rank: S3
(see State Rank Reason below)

Agency Status

External Links

State Rank Reason (see State Rank above)
Species is distributed across western Montana, but may be rare or uncommon within its range.
General Description
We do not yet have descriptive information on this species.  Please try the buttons above to search for information from other sources.

Species Range
Montana Range Range Descriptions


Observations in Montana Natural Heritage Program Database
Number of Observations: 19

(Click on the following maps and charts to see full sized version) Map Help and Descriptions
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.
Predicted Suitable Habitat Model

This species has a Predicted Suitable Habitat Model available.

To learn how these Models were created see

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