dobsonfly

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dobsonfly,

common name for a group of insectsinsect,
invertebrate animal of the class Insecta of the phylum Arthropoda. Like other arthropods, an insect has a hard outer covering, or exoskeleton, a segmented body, and jointed legs. Adult insects typically have wings and are the only flying invertebrates.
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 of the order Megaloptera, found throughout E North America. The adults may be 5 in. (12.7 cm) long; the male has mandibles half as long as the body. They are soft-bodied insects with a fluttery flight, and are largely nocturnal. Despite their strong jaws, the adults probably do not eat, living only long enough to lay large egg masses near water. The large aquatic larvae, called hellgrammites and much used by fishermen as bait, feed on aquatic insects for three years and then emerge to pupate on land. The closely related alderflies differ from the dobsonflies in their smaller size and diurnal habits. Dobsonflies are classified in the phylum ArthropodaArthropoda
[Gr.,=jointed feet], largest and most diverse animal phylum. The arthropods include crustaceans, insects, centipedes, millipedes, spiders, scorpions, and the extinct trilobites.
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, class Insecta, order Neuroptera, family Corydalidae.
References in periodicals archive ?
Megalopteros como Corydalus texanus, tuvieron el PI mas alto con 39.
Los megalopteros Corydalus texanus, mostraron un PI de 5.
264 ae Megalopteros Corydalidae Corydalus texanus 19.
Commensalism between Corynoneura Winnertz (Diptera, Chironomidae) and Corydalus Latreille (Megaloptera, Corydalidae) in Southeastern Brazil.
Phoretic relationships between Corydalus cornutus (Megaloptera: Corydalidae) and Chironomidae in Eastern Tennessee.
Stomach content analysis of 30 individuals (Table 2), corroborates that Corydalus consumes prey from a variety of trophic levels, (that is herbivore, Fallceon guilleri (Baetidae); intermediate predator, Cryphocrycos hungerfordi; and high predator, Tabanus sp.
Stomach contents analysis for three size categories [mean length from tip of clypeus to tip of abdomen [+ or -] SE (N)] of Corydalus cornutus from the South Llano River, Kimble Co.
Megaloptera Corydalidae Chloronia Corydalus X X Platyneuromus X X Odonata Calopterygidae Hetaerina Coenagrionidae Argia N.