Conservation Status
tarjonnut University of Alberta Museums
The only Canadian records are for two specimens collected in Alberta.
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Cyclicity
tarjonnut University of Alberta Museums
The only available Alberta date is July 12.
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Distribution
tarjonnut University of Alberta Museums
Southern Alberta south to Texas and California. In Canada, known only from Lethbridge (McGuffin 1972) and Dinosaur Provincial Park.
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General Description
tarjonnut University of Alberta Museums
A small geometrid with unique markings and strongly pectinate antennae. The upper side is dark yellow-brown with a short, beige subapical band and checkered wing fringes. The underside is beige with silvery white markings, reminiscent of a miniature fritillary butterfly.
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Habitat
tarjonnut University of Alberta Museums
Prairie badlands.
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Life Cycle
tarjonnut University of Alberta Museums
The immature stages are undescribed. The closely related N. georgiana feeds on shrub goldenrod (Chrysoma pauciflosculosa), and fimetaria may feed on a similar species of composite. Adults are likely diurnal like those of georgiana (Covell et al. 1984), but they do come to light at least occasionally. This species may be double-brooded in Alberta, flying in May and again in July-August, as is the case for other members of the genus (Covell et al 1984).
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Trophic Strategy
tarjonnut University of Alberta Museums
Unknown. A closely related species feeds on shrub goldenrod.
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