Assertion: aphid | /r/Causes | serious damage
Facets:
value: to food crops
type: TRANSITIVE-OBJECT
value: seldom
type: TEMPORAL
Source sentences:
text: Aphids often can be present on wheat in the late spring, but seldom cause serious damage.
text: Among the aphids causing serious damage to food crops are the grain, cabbage, cornroot, apple, woolly apple, and hickory aphids and the alder and beech tree blights.