Assertion: bark beetle's life cycle | /r/HasProperty | annual
Facets:
value: usually
type: DEGREE
Source sentences:
text: The life cycle is annual.
text: The life cycle is usually one year, and two broods may be produced.
text: The lumber supply may have contained wood infected with beetle eggs or larvae, and since beetle life cycles can be one or more years, several years may pass before the presence of beetles becomes noticeable.