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Species Page - Pseudohermonassa tenuicula
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scientific name    Pseudohermonassa tenuicula    

common name     Hair-pin Dart

habitat
Found in open wooded areas, meadows and edges.

seasonality
There is a single annual brood, with adults on the wing in July and early August, peaking in mid July.

identification
A medium-size moth (approx. 3.5 - 3.7 cm wingspan) with dull black forewings with a straight narrow pale yellow antemedian and curved postmedian lines. The small oblong orbicular spot and larger reniform spot are partially outlined with a fine line of light yellow scales. The cell before and between the two spots is jet black. Hindwings dirty white with a yellow tint, suffused with grey scales and with a dark discal mark and narrow black terminal line. Sexes similar, but male antennae setose, female simple. Smaller than P. bicarneaa and black, not dark brown, without the pale pink or yellow patches of scales in the basal area and on the costa beyond the reniform. Adults and the genitalia of both sexes are illustrated by Lafontaine (1998).

life history
Adults are nocturnal and come to light. The larva is described by Lafontaine (1998), and is illustrated by McCabe (1991).

diet info
The natural hostplants are unknown, but it has been reared in the laboratory on the grass Glyceria maxima (Hartm.) Holmb.

range
Primarily an eastern species, ranging west the eastern border of BC, north to the NWT and James Bay, south in the east to OH and MD, and in the west south in the mountains to CO. In Alberta collected mainly in the Aspen parklands, foothills and mountains.

notes
The Hair-pin Dart is widespread in the southern half of Alberta, but is rarely common. The illustrated specimen is from the mountains just north west of Nordegg.

quick link
http://entomology.museums.ualberta.ca/searching_species_details.php?s=6197



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References (3)
Specimen Info
There are 145 specimens of this species in the online database
Map Distribution
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Specimen List (145)
Related Links
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