About Actebia fennica Tauscher, 1806
Actebia fennica, commonly known as the black army cutworm or Eversmann's rustic, is a moth species belonging to the family Noctuidae. This species was first described by August Michael Tauscher in 1806. It has a Holarctic distribution, ranging from Newfoundland through western Europe, Siberia, the Far East, Mongolia, and northern China to Korea and Japan. In North America, it occurs mainly in the boreal region, extending south to New England, southern Montana, and northern Oregon. This moth has a wingspan of 39 to 42 mm, and reaches a typical total length of approximately 23 mm. Adults are active in flight from July to September, with flight timing varying by location. The species produces one generation per year. The larvae feed on Elymus arenarius, Rumex species including Rumex acetosella, Atriplex species, Minuartia pebloides, Lathyrus maritimus, Salix species, and Vaccinium uliginosum.