Assertion: mayfly | /r/HasProperty | one of 51 species of mayfly
Facets:
value: about 'green drake'
type: OTHER
value: about the common
type: OTHER
Source sentences:
text: About The Common, or 'Green drake', mayfly is one of 51 species of mayfly in the UK, and is on the wing from April until September (nymphs are present all year-round).