Common name	Scientific name	Family	Status	Weight	Countries
Light Cahill	Stenacron interpunctatum	Heptageniidae	Not recorded	Not recorded	Not recorded
Carolina flat-headed mayfly	Stenacron carolina	Heptageniidae	Not recorded	Not recorded	Not recorded
Gildersleeve's Stenacron mayfly	Stenacron gildersleevei	Heptageniidae	Not recorded	Not recorded	Not recorded
Not recorded	Stenacron candidum	Heptageniidae	Not recorded	Not recorded	Not recorded
Not recorded	Stenacron floridense	Heptageniidae	Not recorded	Not recorded	Not recorded
Not recorded	Stenacron minnetonka	Heptageniidae	Not recorded	Not recorded	Not recorded
Not recorded	Stenacron pallidum	Heptageniidae	Not recorded	Not recorded	Not recorded