Nigronia
Banks, 1908
Dark Fishflies
Species Guides
2- Nigronia fasciata(Banded Dark Fishfly)
- Nigronia serricornis(Serrate Dark Fishfly)
Nigronia is a of megalopteran insects commonly known as dark fishflies. The genus contains two , Nigronia serricornis and Nigronia fasciata, distinguished primarily by wing pattern. are medium-sized insects measuring 20-30 millimeters in length. The genus belongs to the Corydalidae, which includes dobsonflies and fishflies.



Pronunciation
How to pronounce Nigronia: /niːˈɡroʊniə/
These audio files are automatically generated. While they are not always 100% accurate, they are a good starting point.
Identification
Distinguished from other Corydalidae by moderate size and specific wing patterning. Within the genus, the two are separated by wing markings: continuous white areas indicate N. fasciata; isolated white spots indicate N. serricornis. Dark fishflies are smaller than dobsonflies (Corydalus) and differ in coloration from other genera.
Images
Distribution
North America. Documented from Vermont and other United States locations.
Similar Taxa
- Chauliodes (Spring Fishflies)Larger size; different wing pattern and seasonality
- Corydalus (Dobsonflies)Much larger body size; males have elongated
More Details
Species composition
The contains exactly two : Nigronia serricornis and Nigronia fasciata. These are the only recognized members of the genus.