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Examples of species with large-mandibled males include the genera Acanthacorydalis, Corydalus and Platyneuromus, while in Neoneuromus, Nevromus, Neurhermes and Protohermes the sexes are similar. [7] In Corydalus cornutus, a particularly long-mandibled species, these can reach up to 4 cm (1.6 in) in length and are used in competition for females ...
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.
The family Corydalidae contains the megalopterous insects known as dobsonflies and fishflies. Making up about three dozen genera , [ 1 ] they occur primarily throughout North America , both temperate and tropical, South America , Australia , New Zealand , Africa (particularly South Africa ) and Asia .
The eastern dobsonfly, Corydalus cornutus, is a large insect in the Corydalidae family. These are known as hellgrammites and are among the top invertebrate predators in the streams in which they live, and are used by anglers as bait.
Fishflies are quite large, with a wingspan of 2.5 to 3 inches (6 to 8 cm). They will eat aquatic plants as well as small animals including vertebrates like minnows and tadpoles, and may live up to seven days as adults. Their entire lifespan is several years, but most of this time is spent as larvae. There are about 15 genera with nearly 110 ...
Unlike most other rupicolous (living among rocks) members of the Cordylidae, sungazers live in self-excavated burrows (typically 0.4 m or 1.3 ft deep, and 1.8 m or 6 ft long) in the silty soil of the Themeda grassland in South Africa. [4]
Corydalus cornutus - MHNT. Megaloptera is an order of insects.It contains the alderflies, dobsonflies and fishflies, and there are about 300 known species.. The order's name comes from Ancient Greek, from mega-(μέγα-) "large" + pteryx (πτέρυξ) "wing", in reference to the large, clumsy wings of these insects.
Taeniochauliodes is a genus of fishflies in the family Corydalidae. [1] [2] ... by the fusion of two of the longitudinal anal veins in the forewing as well as large ...