mayfly


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mayfly,

any insectinsect,
invertebrate animal of the class Insecta of the phylum Arthropoda. Like other arthropods, an insect has a hard outer covering, or exoskeleton, a segmented body, and jointed legs. Adult insects typically have wings and are the only flying invertebrates.
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 of the order Ephemeroptera, so named because the adults live for a short time, often only a single day, during which they molt twice, mate, and lay their eggs in freshwater. The adults are medium to large, shiny, slender insects with two pairs of fragile, transparent, many-veined wings, and two or three long threadlike tails. The long forelegs of the male are used to clasp the female during the mating flight. Mayflies, also called June bugs, shad flies, and salmon flies, emerge by the thousands from streams, ponds, and lakes at twilight in the early spring; the males form large mating swarms and when a female flies into the swarm she is seized by a male and the two depart to mate. Mayflies lack fully developed mouthparts and do not feed. The insect undergoes incomplete metamorphosismetamorphosis
[Gr.,=transformation], in zoology, term used to describe a form of development from egg to adult in which there is a series of distinct stages. Many insects, amphibians, mollusks, crustaceans, and fishes undergo metamorphosis, which may involve a change in habitat,
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, the egg hatching directly into an aquatic naiad, or nymph, with chewing mouthparts, which passes through some 20 nymphal stages over a period of two years or more, feeding on algae and diatoms and breathing oxygen taken directly from water by gills. It emerges from the water to transform into a subadult phase known as the subimago, unique among insects, in which it has wings and can fly but has immature legs, tail, and reproductive system. Adult mayflies are an important food source for many animals; several fishing flies are modeled after them. Mayflies are classified in the phylum ArthropodaArthropoda
[Gr.,=jointed feet], largest and most diverse animal phylum. The arthropods include crustaceans, insects, centipedes, millipedes, spiders, scorpions, and the extinct trilobites.
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, class Insecta, order Ephemeroptera.

mayfly

[′mā‚flī]
(invertebrate zoology)
The common name for insects composing the order Ephemeroptera.

mayfly

1. any insect of the order Ephemeroptera (or Ephemerida). The short-lived adults, found near water, have long tail appendages and large transparent wings; the larvae are aquatic
2. Angling an artificial fly resembling this
References in periodicals archive ?
MAYFLY is an opportunity for artists to showcase and defend their work in front of the public, an opportunity artists are not often afforded.
"This project is a revitalization of the north end of town," said David Dragoo, president of Mayfly, a Colorado-based outdoor industry investment company.
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Mayfly has no idea that she can only live for a day.
Aware that it lives for only a day, they are faced with a dilemma: Who cares about a mayfly anyway?
Sherlock also talks about another of their bizarre, unresolved case, 'The Mayfly Man'.
Drawing on the expertise of our staff member Paul Gaskell, who had experience in hatching aquatic invertebrates during his PhD, Mayfly in the Classroom (MiC) involves catching, rearing and eventually releasing mayflies back into the wild.
The commotion that her size-10 White Wulff made represented well the big mayfly's behavior.
Career: Made her TV debut in The Mayfly And The Frog in 1966, but concentrated on the theatre before becoming a household name in sitcom The Good Life, which attracted 18 million viewers at its peak.
It's not hard to misunderstand the art Of the ancient Chinese poets: To emerge from the chrysalis of a diaphanous Creature and evolve not into a beautiful butterfly But an ephemeral insect, translucent as gossamer, Commonly called the mayfly. A one-day wonder Of genetic engineering but elegant, floating On a dreamboat with her long-limbed lover.
The topics include the ghost mayfly, returning Salmonflies to the Logan River, the mystery of the spine-adorned caddisfly, encounter with Arctic black flies, a dragonfly hanging from a leaf, and in defense of whirligig beetles.