Nettles are key to the survival of butterflies, as they are the primary food source for many caterpillars including those of the comma, tortoiseshell and peacock.

荨麻是蝴蝶生存的关键。它是很多幼虫包括蛱蝶科的如花斑蛱蝶，孔雀蛱蝶等的食物来源。