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Montana Field Guide

Montana Field Guides

A Caddisfly - Philarctus quaeris

Native Species

Global Rank: GNR
State Rank: SNR

Agency Status


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General Description
This caddisfly incorporates snails and other shells into its case from its surroundings making for a neat decorative case. In Montana, this species is generally found in lentic habitats (ponds, wetlands, lake) or on the depositional margins of streams and rivers in aquatic vegetation or on the bottom. .

Observations in Montana Natural Heritage Program Database
Number of Observations: 4

(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)

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