3 highlights
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Dragonflies lay their eggs in the water, and their young ones, nymphs, emerge to eat other insects in the water. On the menu are scores of mosquito larvae that form so quickly in pooling water, responsible for many human (and animal) deaths.
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The adult catches flies and mosquitoes voraciously, the best pest control nature could have created.
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Scientists have recently learnt that dragonflies migrate huge distances – even over the oceans.