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Eastern Dobsonfly (Corydalus cornutus) female. The adult dobsonfly is a large insect up to 140 millimetres long with a wingspan of up to 125 millimetres. [8] The female has short powerful mandibles of a similar size to those of the larva while the mandibles of the male are sickle-shaped and up to 40 millimetres long, half as long as the body. [1]
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.
The eastern dobsonfly, Corydalus cornutus, is the most well-known North American species among the dobsonflies. These genera have distinctive elongated mandibles in males and form the subfamily Corydalinae. The genera in which the males have normal mandibles, called fishflies, form the subfamily Chauliodinae.
The origin of the word "dobsonfly" is unclear. John Henry Comstock used the term in reference to these insects in his 1897 book Insect Life, [1] but did not explain it. He also mentioned that anglers used the word "hellgrammite" for the aquatic larvae they used as bait, but the origin of this term is also unknown.
The taxonomic treatment [3] (designation and sequence of orders, families and species) and nomenclature (common and scientific names) used in the accompanying bird lists adheres to the conventions of the AOS's (2019) Check-list of North American Birds, the recognized scientific authority on the taxonomy and nomenclature of North America birds.
A wild collected female kept at the Insect Museum of West China in Chengdu was the record holder with a total length, including extended legs, of 62.4 cm (24.6 in), and a body length of 36.1 cm (14.2 in), [16] [17] but it was surpassed by one of its captive bred young that reached 64 cm (25 in) in total length. [18] [19]
This category is for feminine given names from England (natively, or by historical modification of Biblical, etc., names). See also Category:English-language feminine given names , for all those commonly used in the modern English language , regardless of origin.
Corydalus affinis is a species of dobsonfly in the genus Corydalus. It is found in Argentina, Bolivia, Brazil, Colombia, Ecuador, French Guiana, Guyana, Paraguay, Peru, and Venezuela. It is found mainly in Amazonian lowlands. Forewing length ranges from 32-58 millimeters, with the females slightly larger than the males. [1] [2] [3]