Assertion: aphid's egg | /r/HasProperty | the overwintering stage
Facets:
value: on shrubs
type: LOCATION
value: on some kinds of aphids
type: LOCATION
value: on trees
type: LOCATION
Source sentences:
text: Horticultural oils act largely by smothering insects their use for aphid control would require that they cover the eggs, which are the overwintering stage on some kinds of aphids on trees and shrubs.