Each of a pair of modified toughened forewings which cover the functional wings in certain insects, especially an elytron of a beetle.
（尤指甲虫的）鞘翅
Example sentencesExamples
I can add one piece of information to the whole Japanese bean beetle lore: goldfish will eat all of a Japanese bean beetle, even the spotted wing case, but they don't eat the wings.
They may sieve tons of earth looking for beetle wing cases or seeds.
Beetles, on the other hand, keep their hind wings well hidden under hard protective wing cases to protect them as they forage for food.
Examples of such structure-generated colors can be seen in shimmering metallic butterfly and moth scales, beetle wing cases, and the feathers of hummingbirds, peacocks and birds of paradise.
He then decorates his bower with colourful objects, from flowers and pebbles to berries, shells, and beetle wing cases.
Definition of wing case in US English:
wing case
nounˈwiNG ˌkās
Each of a pair of modified toughened forewings which cover the functional wings in certain insects, especially an elytron of a beetle.
（尤指甲虫的）鞘翅
Example sentencesExamples
I can add one piece of information to the whole Japanese bean beetle lore: goldfish will eat all of a Japanese bean beetle, even the spotted wing case, but they don't eat the wings.
Examples of such structure-generated colors can be seen in shimmering metallic butterfly and moth scales, beetle wing cases, and the feathers of hummingbirds, peacocks and birds of paradise.
Beetles, on the other hand, keep their hind wings well hidden under hard protective wing cases to protect them as they forage for food.
He then decorates his bower with colourful objects, from flowers and pebbles to berries, shells, and beetle wing cases.
They may sieve tons of earth looking for beetle wing cases or seeds.