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Ephemera vulgata can be told in both adult and subimago stages from the rather similar green drake (Ephemera danica) by its duller colour and slightly smaller size.The wings are more heavily veined and the upper side of the abdomen has pairs of dark lateral markings on each segment.
Ephemeroptera: Family: Ephemeridae: Genus: Ephemera Linnaeus, 1758: Ephemera simulans male. Ephemera is a genus of mayfly in the family Ephemeridae. It contains the ...
Ephemeroptera was defined by Alpheus Hyatt and Jennie Maria Arms Sheldon in 1890–1. [44] [45] The taxonomy of the Ephemeroptera was reworked by George F. Edmunds and Jay R Traver, starting in 1954. [46] [47] Traver contributed to the 1935 work The Biology of Mayflies, [48] and has been called "the first Ephemeroptera specialist in North ...
Nesameletidae is a family of mayflies in the order Ephemeroptera. There are at least three genera and about eight described species in Nesameletidae. There are at least three genera and about eight described species in Nesameletidae.
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They have reduced mouthparts because the adults just emerge to mate and then die shortly after. They have two front wings and two reduced hind wings. Their wings are membranous and heavily veined to add strength since the adults must find one another through flight. The eyes of adult Ephemerellids are large and sit above two setaceous antennae.
Baetiscidae is a family of mayflies. It contains a single extant genus, Baetisca, native to North America with around 12 species. [1] [2] [3] [4] The family is noted ...
Ephemera danica can reach an imago size of 15–20 mm (0.6–0.8 in) in males, while females are larger, reaching 16–25 mm (0.6–1.0 in). This mayfly, with its characteristic markings and three tails (), is the most commonly seen of British Ephemeridae.