Assertion: beetle's pair | /r/Synonym | elytra
Facets:
Source sentences:
text: Beetles have two pairs of wings, the front pair, called "elytra", are hard, thick sheath or shell-like and protect the more normal rear pair of wings which are used for flying.
text: Goliath beetles, like almost all other beetles, possess a reinforced first pair of wings (called elytra) that act as protective covers for their secondary pair of wings and abdomen.