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Montana Field Guide

Montana Field Guides

Montana Stone - Doroneuria theodora

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Native Species

Global Rank: G4
State Rank: SNR


Agency Status
USFWS:
USFS:
BLM:


 

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General Description
This species of the family Perlidae is a predaceous stonefly, eating other aquatic insects-especially midges, blackflies and small mayflies. They live on the cobbles and boulders of medium to fast flowing streams.

Species Range
Montana Range Range Descriptions

Native
 


Observations in Montana Natural Heritage Program Database
Number of Observations: 228

(Click on the following maps and charts to see full sized version) Map Help and Descriptions
Relative Density

Recency

 

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



Food Habits
Merritt and Cummins (1996) report that members of the families, Perlidae and Perlodidae, are largely predators eating other aquatic invertrebrates, especially Diptera (Chironomidae and Simuliidae, midges and blackflies) and Mayflies.


References
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Citation for data on this website:
Montana Stone — Doroneuria theodora.  Montana Field Guide.  .  Retrieved on , from