dayfly definition

  • noun:
    • See mayfly.
    • A mayfly.
    • A neuropterous pest associated with genus Ephemera and associated genera, of several types, and inhabiting fresh-water within the larval state; the ephemeral fly; -- so called since it commonly life but one day when you look at the winged or adult state. See Ephemeral fly, under ephemeral.
    • A May-fly: a popular name of the neuropterous insects of the family Ephemeridæ: so called because, however long they may live in the larval state, in their perfect form they exist only from a few hours to a few days, taking no food, but only propagating and then dying. See Ephemeridæ.
    • slim insect with delicate membranous wings having an aquatic larval phase and terrestrial adult stage generally enduring under two days
    • See mayfly.
    • A mayfly.
    • A neuropterous pest of this genus Ephemera and associated genera, of numerous species, and inhabiting fresh water when you look at the larval state; the ephemeral fly; -- so named as it frequently lives but one day in the winged or adult condition. See Ephemeral fly, under ephemeral.
    • A May-fly: a popular name of this neuropterous pests associated with family Ephemeridæ: so named because, but lengthy they may are now living in the larval state, within their perfect kind they exist only from a couple of hours to a few days, taking no food, but only propagating after which dying. See Ephemeridæ.
    • slim insect with fine membranous wings having an aquatic larval stage and terrestrial person stage usually lasting not as much as two days

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