长尾蜉蝣死前疯狂交配 结束短暂一生
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中国网 2013-06-25
6月23日,在匈牙利东部的蒂萨伊诺卡,人们乘小船在蒂萨河上观看长尾蜉蝣。每年的春夏之交,蒂萨河上的大量蜉蝣羽化成虫,婚飞交尾,场面蔚为壮观。短命的成虫只有几个小时的时间进行交尾,然后凄然死亡。雌虫的卵沉入河底后,幼虫在河底会呆长达3年的时间,然后才能变为成虫。[新华社 弗尔季·奥蒂洛 摄]
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长尾蜉蝣死前疯狂交配 结束短暂一生
中国网
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