''Corydalus'' is a genus of large

flying insects The Pterygota ( grc, πτερυγωτός, pterugōtós, winged) are a subclass of insects that includes the winged insects. It also includes insect orders that are secondarily wingless (that is, insect groups whose ancestors once had wings b ...

in the

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, ...

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

mandible In anatomy, the mandible, lower jaw or jawbone is the largest, strongest and lowest bone in the human facial skeleton. It forms the lower jaw and holds the lower tooth, teeth in place. The mandible sits beneath the maxilla. It is the only movabl ...

s used to grasp the females during mating while the females have smaller jaws. The

larva A larva (; plural larvae ) is a distinct juvenile form many animals undergo before metamorphosis into adults. Animals with indirect development such as insects, amphibians, or cnidarians typically have a larval phase of their life cycle. The ...

e are known as hellgrammites and are aquatic predators.BugGuide
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Etymology

''Corydalus'' (also transcribed corydalis) comes from the Greek (κορυδαλλις) meaning a crested

lark Larks are passerine birds of the family Alaudidae. Larks have a cosmopolitan distribution with the largest number of species occurring in Africa. Only a single species, the horned lark, occurs in North America, and only Horsfield's bush lark occu ...

or the flower, larkspur, apparently related to Greek corys (κορυς) a

helmet A helmet is a form of protective gear worn to protect the head. More specifically, a helmet complements the skull in protecting the human brain. Ceremonial or symbolic helmets (e.g., a policeman's helmet in the United Kingdom) without protect ...

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, Venezuela * '' Corydalus amazonas'' Contreras-Ramos, 1998 - Brazil * '' Corydalus armatus'' Hagen, 1861 - Argentina, Bolivia, Brazil(?), Colombia, Ecuador, Peru, Venezuela * '' Corydalus arpi'' Navás, 1936 - Venezuela * '' Corydalus australis'' Contreras-Ramos, 1998 - Argentina, Brazil, Uruguay * '' Corydalus batesii'' McLachlan, 1867 - Bolivia, Brazil, Colombia, Ecuador, French Guiana, Guyana, Peru, Suriname, Venezuela * '' Corydalus bidenticulatus'' Contreras-Ramos, 1998 - Mexico, Arizona * ''

Corydalus cephalotes ''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 ...

'' Rambur, 1842 - Brazil * '' Corydalus clauseni'' Contreras-Ramos, 1998 - Colombia, Costa Rica, Ecuador * '' Corydalus clavijoi'' Contreras-Ramos, 2002 * '' Corydalus colombianus'' Contreras-Ramos, 1998 - Colombia * ''

Corydalus cornutus The eastern dobsonfly, ''Corydalus cornutus'', is a large insect in the Corydalidae family. It is found in eastern North America in regions with fast-flowing streams where its aquatic larvae develop. These are known as hellgrammites and are amon ...

'' (Linnaeus, 1758) - Eastern dobsonfly - Eastern North America * '' Corydalus crossi'' Contreras-Ramos, 2002 * '' Corydalus diasi'' Navás, 1915 - Argentina, Brazil, Paraguay * '' Corydalus ecuadorianus'' Banks, 1948 - Ecuador * '' Corydalus flavicornis'' Stitz, 1914 - Colombia, Costa Rica, Ecuador, El Salvador, Guatemala, Honduras, Panama, Peru, Venezuela * '' Corydalus flinti'' Contreras-Ramos, 1998 - Venezuela * '' Corydalus hayashii'' Contreras-Ramos, 2002 * '' Corydalus hecate'' McLachlan, 1866 - Brazil, Peru, Venezuela * '' Corydalus holzenthali'' Contreras-Ramos, 1998 - Bolivia, Peru * '' Corydalus ignotus'' Contreras-Ramos, 1998 - French Guiana * ''

Corydalus imperiosus ''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 ...

'' Contreras-Ramos, 1998 - Argentina * '' Corydalus longicornis'' Contreras-Ramos, 1998 - Argentina, Bolivia, Ecuador * '' Corydalus luteus'' Hagen, 1861 - Southern United States, Mexico, Central America * '' Corydalus magnus'' Contreras-Ramos, 1998 - Central America * '' Corydalus mayri'' Contreras-Ramos, 2002 * '' Corydalus neblinensis'' Contreras-Ramos, 1998 - Venezuela * '' Corydalus nubilus'' Erichson, 1848 - Brazil, French Guiana, Guyana, Venezuela * '' Corydalus parvus'' Stitz, 1914 - Ecuador, Peru * '' Corydalus peruvianus'' K. Davis, 1903 - Argentina, Bolivia, Colombia, Costa Rica, Ecuador, Guatemala, Mexico, Panama, Peru, Venezuela * '' Corydalus primitivus'' Van der Weele, 1909 - Argentina, Bolivia * '' Corydalus territans'' Needham, 1909 * '' Corydalus tesselatus'' Stitz, 1914 - Venezuela * '' Corydalus texanus'' Banks, 1903 - Southwest United States, Guatemala, Mexico * '' Corydalus tridentatus'' Stitz 1914 - Brazil Tree of Life Web Project
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References

{{Taxonbar, from=Q2855958 Corydalidae Insects of Central America Insect genera