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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.
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.
Ephemerids are generally quite large mayflies (up to 35 mm) with either two or three very long tails. Many species have distinctively patterned wings. [2] They breed in a wide range of waters, usually requiring a layer of silt as the nymphs have strong legs which are adapted for burrowing (the group is sometimes known as burrowing mayflies).
"Mayfly" was the crew's nickname for His Majesty's Airship No. 1, an aerial scout airship built by Vickers but wrecked by strong winds in 1911 before her trial flights. [ 96 ] Two vessels of the Royal Navy were named HMS Mayfly : a torpedo boat launched in January 1907, [ 97 ] and a Fly -class river gunboat constructed in sections at Yarrow in ...
Ephemeroptera: Family: Ephemeridae: Genus: Ephemera Linnaeus, 1758: Ephemera simulans male. Ephemera is a genus of mayfly in the family Ephemeridae. It contains the ...
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.
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.
This mayfly related article is a stub. You can help Wikipedia by expanding it.
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