About Pseudeva purpurigera Walker, 1858
Pseudeva purpurigera, commonly known as the western straight-lined looper, is a moth species belonging to the family Noctuidae. This species was first formally described by Francis Walker in 1858. It is distributed in the Rocky Mountains, ranging from southwestern Alberta in the north to New Mexico in the south, and extending eastward to New England and Newfoundland. This moth has a wingspan that measures between 28 and 34 mm. Adult individuals are active on wing from July to August, with the timing varying based on location. The species produces one generation per year. The larvae of Pseudeva purpurigera feed on plants from the genus Thalictrum.
