About Pyrausta semirubralis Packard, 1873
Pyrausta semirubralis is a moth species that belongs to the family Crambidae. It was first described by Alpheus Spring Packard in 1873. This moth is native to North America, where its confirmed range extends from southern British Columbia south to California, and east to Nevada, Colorado, and Arizona. Its habitat includes coastal regions, and it can be found inland at altitudes up to approximately 9000 feet. The forewings of this species measure 9 to 11 mm in length. The basal half of each forewing is a dull dark brown, while the remaining portion of the forewing is dull brick red. The hindwings are a faded brick red. Adult Pyrausta semirubralis can be seen in flight from April through September, with flight activity peaking around May.
