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Montana Field Guide

Montana Field Guides

Brown Arches Moth - Lacinipolia stricta

Native Species

Global Rank: GNR
State Rank: SNR

Agency Status


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General Description
The Lacinipolia stricta forewing is dark brown in the median area, and paler yellowish-brown in the basal and subterminal areas. The terminal area is dark brown mixed with black. The reniform spot is pale brown, angular, with a conspicuous thick white outline. The hindwing is dirty brownish-gray with a pale yellowish terminal line and fringe (Powell and Opler, 2009).

Range Comments
Lacinipolia stricta ranges from British Columbia to California, east to Utah, and north to Alberta (Powell and Opler, 2009).

Observations in Montana Natural Heritage Program Database
Number of Observations: 1

(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:
Brown Arches Moth — Lacinipolia stricta.  Montana Field Guide.  .  Retrieved on , from