About Nigronia fasciata (Walker, 1853)
Nigronia fasciata (Walker, 1853) is a species of megalopterous dark fishfly that belongs to the Corydalidae family. Adult individuals of this species typically reach a size between 22 and 28 millimeters, which equals 2.2 to 2.8 centimeters. This species is found across the Eastern United States, and it has no established presence in Canada.