如果你的花园里种了小茴香或者欧芹，你可能就会招来这种蝴蝶，因为它的幼虫以这些食物为食。
If you have dill or parsley in your garden you may well attract its attention for its caterpillars feed on these plants.
为测验这些“祖母军”的重要性，井吴博士和其同事引入了一种以蚜虫为食的瓢虫幼虫。
To test the importance of these militant matrons, Dr Keigo and his colleagues introduced predatory ladybug larvae to the plants.
食蚊鱼是淡水鱼，以蚊子幼虫为食，高度的群体化。
Mosquitofish, freshwater fish with a taste for mosquito larvae, are highly social.
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