Assertion: mayfly's lifespan | /r/HasProperty | 2 months
Facets:
value: to two years
type: TEMPORAL
value: depending on species
type: OTHER
Source sentences:
text: Lifespan : 2 months
text: The lifespan of an individual sawfly is two months to two years, though the adult life stage is often very short (approximately 7 – 9 days), only long enough for the females to lay their eggs.
text: Mayflies, for example, live for perhaps a day as adults — but their full lifespan is several months to several years, depending on species and conditions.