Any of various insects of the superfamily Hemerobioidea, having four gauzy wings, threadlike antennae, and larvae that feed on insect pests such as aphids.

• 草蛉任一种褐蛉属的昆虫，长有两对薄而轻的透明翅膀和线状触角，其幼虫以蚜虫等昆虫为食