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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.
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).
Ephemera annandalei; Ephemera blanda; Ephemera brunnea; Ephemera compar; Ephemera consors; Ephemera danica; Ephemera diffusa; Ephemera distincta; Ephemera duporti
The theme of brief life is echoed in the artist Douglas Florian's 1998 poem, "The Mayfly". [78] The American Poet Laureate Richard Wilbur 's 2005 poem "Mayflies" includes the lines "I saw from unseen pools a mist of flies, In their quadrillions rise, And animate a ragged patch of glow, With sudden glittering".
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The definition of "longest-living" used in this article considers only the observed or estimated length of an individual organism's natural lifespan – that is, the duration of time between its birth or conception, or the earliest emergence of its identity as an individual organism, and its death – and does not consider other conceivable ...
Ephemera danica; Ephemera guttulata or the Eastern Green Drake. This page was last edited on 21 June 2017, at 03:00 (UTC). Text is available under the Creative ...
Ephemera are items which were not originally designed to be retained or preserved, but have been collected or retained. The word is etymologically derived from the Greek ephēmeros ‘lasting only a day’. [1] The word is both plural and singular. [2] One definition for ephemera is "the minor transient documents of everyday life".