Nigronia is a genus of megalopterous insects (dark

fishflies Fishflies are members of the subfamily Chauliodinae, belonging to the megalopteran family Corydalidae. They are most easily distinguished from their closest relatives, dobsonflies, by the jaws (mandibles) and antennae. In contrast to the large j ...

) in the family of

Corydalidae The family Corydalidae contains the megalopterous insects known as dobsonflies and fishflies. Making up about one dozen genera,See references in Haaramo (2008) they occur primarily throughout the Northern Hemisphere, both temperate and tropical, ...

. The typical size of species in the Nigronia genus are 20-30 millimeters.

Species

There are 2 species in the genus Nigronia; '' Nigronia serricornis'' and '' Nigronia fasciata''. The main thing that distinguishes the two species is that ''Nigronia fasciata'' has continuous and large white areas on its wings, whereas ''Nigronia serricornis'' has white spots on its wings which are isolated, rather than large and continuous.

References

{{Taxonbar, from=Q11846020 Corydalidae Insect genera