Assertion: american grasshopper | /r/Causes | serious damage
Facets:
value: to crops
type: TRANSITIVE-OBJECT
value: to ornamental plants
type: TRANSITIVE-OBJECT
value: occasionally
type: DEGREE
Source sentences:
text: The American grasshopper, Schistocerca americana (Drury), occasionally causes serious damage to crops and ornamental plants, and their great abundance can be a nuisance.