Assertion: fir's needle | /r/Causes | fluffy white patches
Facets:
value: on the twigs
type: LOCATION
value: on aphids
type: LOCATION
Source sentences:
text: An elongated white scale insect, the pine needle scale feeds on the needles causing fluffy white patches on the twigs and aphids also suck sap from the needles and may cause them to fall and possibly dieback.