lacewing

/ˈleɪsˌwɪŋ/
noun
  1. A slender, delicate insect with large, transparent, lace-like wings, often green or brown, whose larvae eat aphids and other garden pests.
    • A lacewing landed on the window screen, its wings shimmering in the sunlight.
    • Gardeners often welcome lacewings because they naturally control aphid populations.
    • The lacewing's delicate wings look like tiny pieces of green lace.
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