About Corydalus affinis Burmeister, 1839
Corydalus affinis, scientifically described as Corydalus affinis Burmeister, 1839, is a dobsonfly species that belongs to the genus Corydalus. This species can be found in Argentina, Bolivia, Brazil, Colombia, Ecuador, French Guiana, Guyana, Paraguay, Peru, and Venezuela, and most of its populations occur in Amazonian lowlands. The forewing length of Corydalus affinis ranges from 32 to 58 millimeters, and females of the species are slightly larger than males.
