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  2. Mayfly - Wikipedia

    en.wikipedia.org/wiki/Mayfly

    The nymphs are highly susceptible to pollution and can be useful in the biomonitoring of water bodies. [4] Once they have emerged, large numbers are preyed on by birds, bats and by other insects, such as Rhamphomyia longicauda. [5] Mayfly nymphs may serve as hosts for parasites such as nematodes and trematodes. Some of these affect the nymphs ...

  3. Ephemera vulgata - Wikipedia

    en.wikipedia.org/wiki/Ephemera_vulgata

    The nymphs of E. vulgata burrow into the sediment at the bottom of ponds. Most burrowing mayfly nymphs use the gills on their abdomens to create a current of water through their burrows, thereby ensuring sufficient oxygen is available to absorb through the tracheae in their skin.

  4. Hexagenia limbata - Wikipedia

    en.wikipedia.org/wiki/Hexagenia_limbata

    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.

  5. Heptageniidae - Wikipedia

    en.wikipedia.org/wiki/Heptageniidae

    The nymphs have a flattened shape and are usually dark in colour. ... Nixe (mayfly) Flowers, 1980; Notacanthurus Chernova, 1974; Notacanthurus Tshernova, 1974;

  6. Ephemeridae - Wikipedia

    en.wikipedia.org/wiki/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).

  7. Hexagenia bilineata - Wikipedia

    en.wikipedia.org/wiki/Hexagenia_bilineata

    This mayfly is generally more abundant than the closely related Hexagenia limbata, but that species becomes more plentiful from Keokuk, Iowa northwards. When a lock was drained near Keokuk in July 1958, 344 nymphs of H. bilineata were found in 10.5 square feet (1 m 2) of sediment. [2]

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