在上个世纪80年代初的一年暮夏,笔者背着野战包正徒步翻越穆棱河上游的长山岭,当我爬上一道山梁,视线一下子就被峡谷里河面上空飞舞着的数百只蜻蜓吸引住了。这帮在进化史上已经停留了三亿年之久的差翅亚目的家伙们在干什么?当“水虿”这个词出现在脑海时,无需下到谷底,我便什么都明白了。 In the early 1980s, twilight summer one year, I was carrying a field package is moving over the upper reaches of the Mu Long River Ridge, when I climbed a ridge, the sight of the valley was suddenly over the river with hundreds of flying Only dragonfly attracted. What are these guys who have stayed in the evolutionary history for 300 million years? When the word “水虿” appears in my head, I do not need to reach the bottom and I understand everything.