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Leptophlebiidae is a family belonging to the Ephemeropterans that are commonly known as the prong-gilled mayflies or leptophlebiids.It is the only family in the superfamily Leptophlebioidea. [1]
The mayfly has come to symbolise the transitoriness and brevity of life. [74] The English poet George Crabbe, known to have been interested in insects, [75] compared the brief life of a newspaper with that of mayflies, both being known as "Ephemera", [76] things that live for a day: [77]
Styliform and ventrally directed abdominal gills are developed on abdominal segments 1-7. These gills are composed of a broader, more strongly sclerotized basal part and a slender and rather membranous distal part. The gills articulate dorsally within the abdominal tergites that are distinctly separated from the ventral sternites. The caudal ...
The labrum (upper lip) is not notched in the middle; the antennae are shorter than twice the width of the head; the maxillae on the underside of the head lack prominent rows of golden spines; the abdominal gills are rounded and similar to each other in structure; three long slender filaments at the end of the body are about equally long. [5]
Oligoneuriidae is a family of mayflies with a pantropical distribution. They are also known as brushlegged mayflies due to the presence of two rows of setae used for filtration on the front legs of their nymphs.
Hexagenia limbata, the giant mayfly, is a species of mayfly in the family Ephemeridae. It is native to North America where it is distributed widely near lakes and slow-moving rivers. [ 2 ] The larvae, known as nymphs, are aquatic and burrow in mud and the adult insects have brief lives.
Epeorus sylvicola is a species of mayfly belonging to the family Heptageniidae. [1] The species is found in Europe and Western Asia. [1] The larvae typically inhabit fast flowing waters and have rigid gill plates. [2]
Caenidae, is a family of mayflies, sometimes called "small squaregill mayflies".Species are found throughout the world in lotic, depositional environments, and they are sprawlers. [2]