lacewing       
noun [ C ] uk/ˈleɪs.wɪŋ/ us/ˈleɪs.wɪŋ/
 草蛉
an insect with large clear wings with thin lines in them
  Insects such as lacewings and ladybirds are beneficial for crops. 草蛉和瓢虫等昆虫对农作物是有益的。 
 The lacewing has a thin pale green body between two pairs of transparent lace-like wings.  草蛉的身体是淡绿色的,夹在两对透明的花边状翅膀之间。 
 - More examples
 - There are lacewings, hoverflies, and dragonflies.
 - Invite ladybirds, hoverflies and lacewings into your garden to feed on aphids.
 - Lacewings are natural predators of crop pests and can help the farmer in protecting crops.