Assertion: beetle's forewing | /r/Synonym | elytra
Facets:
Source sentences:
text: These forewings, called elytra (singular, elytron), serve as protective wing covers for a second pair of functional wings underneath.
text: Forewings, called elytra, are hard and well polished (they protect scarab beetle from predators).
text: Firefly has a pair of leathery forewings (called elytra) which cover membranous wings and soft, flat body.