Corydalus
Corydalus is a genus of large flying insects in the Corydalidae family, commonly known as dobsonflies. They are endemic to North, Central and South America and there are about 35 known species. Members of the genus have wing lengths of up to 85 millimetres. They are sexually dimorphic, with the males having large mandibles used to grasp the females during mating while the females have smaller jaws. The larvae are known as hellgrammites and are aquatic predators.
Etymology
Corydalus is a transliteration from the Greek κορδαλος meaning a crested lark or the flower, larkspur, apparently related to Greek corys a helmet crest. The name probably refers to the long mandibles of the male which might be considered to resemble the crest of a lark, or perhaps, the decorative crests of a helmet.
Species
Corydalus affinis Burmeister, 1839 - Argentina, Bolivia, Brazil, Colombia, Ecuador, French Guiana, Guyana, Paraguay, Peru, VenezuelaCorydalus amazonas Contreras-Ramos, 1998 - BrazilCorydalus armatus Hagen, 1861 - Argentina, Bolivia, Brazil, Colombia, Ecuador, Peru, VenezuelaCorydalus arpi Navás, 1936 - VenezuelaCorydalus australis Contreras-Ramos, 1998 - Argentina, Brazil, UruguayCorydalus batesii McLachlan, 1867 - Bolivia, Brazil, Colombia, Ecuador, French Guiana, Guyana, Peru, Suriname, VenezuelaCorydalus bidenticulatus Contreras-Ramos, 1998 - Mexico, ArizonaCorydalus cephalotes Rambur, 1842 - BrazilCorydalus clauseni Contreras-Ramos, 1998 - Colombia, Costa Rica, EcuadorCorydalus clavijoi Contreras-Ramos, 2002Corydalus colombianus Contreras-Ramos, 1998 - ColombiaCorydalus cornutus - Eastern dobsonfly - Eastern North AmericaCorydalus crossi Contreras-Ramos, 2002Corydalus diasi Navás, 1915 - Argentina, Brazil, ParaguayCorydalus ecuadorianus Banks, 1948 - EcuadorCorydalus flavicornis Stitz, 1914 - Colombia, Costa Rica, Ecuador, El Salvador, Guatemala, Honduras, Panama, Peru, VenezuelaCorydalus flinti Contreras-Ramos, 1998 - VenezuelaCorydalus hayashii Contreras-Ramos, 2002Corydalus hecate McLachlan, 1866 - Brazil, Peru, VenezuelaCorydalus holzenthali Contreras-Ramos, 1998 - Bolivia, PeruCorydalus ignotus Contreras-Ramos, 1998 - French GuianaCorydalus imperiosus Contreras-Ramos, 1998 - ArgentinaCorydalus longicornis Contreras-Ramos, 1998 - Argentina, Bolivia, EcuadorCorydalus luteus Hagen, 1861 - Southern United States, Mexico, Central AmericaCorydalus magnus Contreras-Ramos, 1998 - Central AmericaCorydalus mayri Contreras-Ramos, 2002Corydalus neblinensis Contreras-Ramos, 1998 - VenezuelaCorydalus nubilus Erichson, 1848 - Brazil, French Guiana, Guyana, VenezuelaCorydalus parvus Stitz, 1914 - Ecuador, PeruCorydalus peruvianus K. Davis, 1903 - Argentina, Bolivia, Colombia, Costa Rica, Ecuador, Guatemala, Mexico, Panama, Peru, VenezuelaCorydalus primitivus Van der Weele, 1909 - Argentina, BoliviaCorydalus territans Needham, 1909Corydalus tesselatus Stitz, 1914 - VenezuelaCorydalus texanus Banks, 1903 - Southwest United States, Guatemala, MexicoCorydalus tridentatus Stitz 1914 - Brazil