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Species Page - Rivula propinqualis
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scientific name    Rivula propinqualis    

common name     Spotted Grass Moth, Yellow Snout-moth

habitat
Clearings, meadows, edges and lush grassy areas.

seasonality
Adults are on the wing July to mid-August.

identification
A small (1.5-1.9 cm wingspan) broad-winged light yellow or pale tan moth, with the median line forming a wide, elliptical brown patch near the costa, covering two small purple reniform dots. The fine, dark brown antemedian and postmedian lines swing out toward the apex in parallel. The terminal area and fringe shade to dark brown, and there are scattered dark scales over the remainder of the forewings. The hindwings are only slightly paler than the forewing ground, darker shaded toward the margin, and with a faint median line. The antennae are simple and both of the sexes are similar. It is not likely to be mistaken for any other moth.

life history
Adults are nocturnal and come to light and to sugar baits.

conservation
A widespread species, no concerns.

diet info
No Alberta data; elsewhere reported as either unknown, or as using grasses (Covell, 1982).

range
Across southern Canada, from Nova Scotia west to Vancouver Island; south to Texas and Georgia. In Alberta, it apparently occurs throughout much of the Boreal Forest region, north to Zama Lake, south in the riparian cottonwood groves along the Red Deer River at Dinosaur Provincial Park.

quick link
http://entomology.museums.ualberta.ca/searching_species_details.php?s=907



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Authorship
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References (2)
Specimen Info
There are 95 specimens of this species in the online database
Map Distribution
Adult Seasonal Distributioncreate a collection histogram with specimens
Specimen List (95)
Related Links
Moth Photographers Group

 

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