Assertion: firefly | /r/CapableOf | hold the elytra
Facets:
value: in flight
type: TEMPORAL
value: for balance
type: PURPOSE
Source sentences:
text: In-flight, fireflies hold the elytra out for balance, relying on their membranous hindwings for movement.
text: When in flight, the firefly holds out the elytra for balance—picture the wings of an airplane—while the soft and leathery hindwings beat and help control the beetle’s movement.