Hexagenia
Hex·a·ge·nia (hek″sə-jeґne-ə) a genus of mayflies (order Ephemeroptera). H. bilineaґta is the lake fly, a species found on the shores of Lake Erie whose cast skins may cause asthma.

Medical dictionary. 2011.

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  • mayfly — /may fluy /, n., pl. mayflies. 1. Also called shadfly. any insect of the order Ephemeroptera, having delicate, membranous wings with the front pair much larger than the rear and having an aquatic larval stage and a terrestrial adult stage usually …   Universalium

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  • Ephemeridae — Taxobox name = Ephemeridae image width = 240px image caption = Ephemera danica regnum = Animalia phylum = Arthropoda classis = Insecta ordo = Ephemeroptera subordo = Schistonota superfamilia = Ephemeroidea familia = Ephemeridae subdivision ranks …   Wikipedia

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  • Ephemeridae — ? Ephemeridae Ephemera danica Научная классификация Царство …   Википедия

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  • Ephemeroptera — Ephem·er·op·tera (e fem″ər opґtər ə) [Gr. ephemeros short lived + pteron wing] the mayflies, an order of elongated insects with net veined paired wings, and two or three caudal filiform appendages; the adults have only… …   Medical dictionary

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