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Montana Field Guide

Montana Field Guides

A Noctuid Moth - Agrochola purpurea


Global Rank: GNR
State Rank: SNR

Agency Status
USFWS:
USFS:
BLM:


 

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General Description
The adult Agrochola purpurea forewing is variably light purplish-brown to reddish-orange. The forewing lines and markings are faint except for the dark sub-apical dash along the costa and the black lower half of reniform spot. The subterminal line is a series of black dots. The terminal line is either continuous and scalloped or broken into dark dots. The grayish V-shaped median line descends in the middle to the reniform spot. The AM and PM lines are brown, double, and wavy. The orbicular and reniform spots are rimmed with brown. The hindwing is pale yellowish with gray shading. The wingspan is about 36 mm.

Phenology
Adults fly in fall and early winter.

Range Comments
Agrochola purpurea ranges from British Columbia to California, and east to Utah.

Summary of Observations Submitted for Montana
Number of Observations: 1

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Relative Density

Recency

 

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



Habitat
Agrochola purpurea occurs in dry western forests.

Food Habits
Agrochola purpurea larvae feed on leaves of lupine (Lupinus spp.).

References
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Citation for data on this website:
A Noctuid Moth — Agrochola purpurea.  Montana Field Guide.  .  Retrieved on , from