mayfly

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Today we have another name forthis insect: the mayfly.
現在，我們爲這種崑蟲取了一個新名字——蜉蝣。
His calling was the short story—a form with “the life expectancy of a mayfly”, he conceded.
他的創作重心是短篇——這種文學形式的“生命周期可比蜉蝣”，他也曾這樣承認過。
From the shape of the insect, Michael S. Engel, an entomologist at the University of Kansas, identified it as a mayfly, one of the first groups of flying insects.
從蟲子的外形看，堪薩斯州大學崑蟲學家邁尅爾·S·恩格爾認定它爲一種最早的飛蟲——蜉蝣類。

He invented an innovative fly pattern, called TruForm, which accurately mimics the natural profile of an emerging mayfly.
FORBES: Catskills Fly Fishing Book
Then, one day, I stumbled across a thick magazine that called itself The Drake (named after a large mayfly that both trout and anglers find irresistible).
FORBES: An Interview With Tom Bie, Founder Of The Drake Magazine
There's much handwringing about how the Grubmans and Blodgets of Wall Street beguiled investors during the tech boom into buying stocks that had all the staying power of a mayfly.
FORBES: 2002 Investment Guide

an insect that lives near water and only lives for a very short time as an adult

A mayfly is an insect which lives near water and only lives for a very short time as an adult.

蜉蝣
In part 3,220 mayfly species belonging to 17 families 60 genera from mainland China are listed in the light of update classification system.
本文按新分類系統列出了我國大陸地區已知蜉蝣17科60屬220種。
蜉蝣目