Assertion: bed bug | /r/AtLocation | restriction
Facets:
value: increasingly
type: DEGREE
value: on the use of stronger insecticides
type: OTHER
Source sentences:
text: They remained prevalent in other areas of the world and, in recent years, have been increasingly observed again in the U.S. Increases in immigration and travel from the developing world as well as restrictions on the use of stronger insecticides may be factors that have led to the relatively recent increase in bedbug infestations.