2011年8月4日星期四
Storm water ponds fight mosquitoes in the 'burbs
City staff once put one dragonfly larvae in a tray with 100 mosquito larvae, just for fun to see what would happen. In three minutes, said mosquito expert Mike Jenkins, every single mosquito larvae was gone. In his volunteer time Jenkins studies storm ... Storm water ponds fight mosquitoes in the 'burbs
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