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Montana Field Guide

Montana Field Guides

Purcell Needlefly - Pomoleuctra purcellana

Native Species

Global Rank: G4
State Rank: SNR

Agency Status


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General Description
This is a small black stonefly in the family; Leuctridae. Like most of the species in the rolled-winged family, this species hatches early in the year often when snow is still on the ground, where they can be noticed quite easily crawling around along the banks of streams.

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)

Food Habits
Merritt and Cummins (1996) report that members of this family are trophically shredder-detritivores; eating large particulate organic materials such as detritus, leaves and plants.

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Citation for data on this website:
Purcell Needlefly — Pomoleuctra purcellana.  Montana Field Guide.  .  Retrieved on , from