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Family Baetidae - Small Minnow Mayflies

Mayfly? - Callibaetis Need ID on tiny Mayfly Baetis intercalaris adult male - Baetis intercalaris - male Mayfly--Baetidae? - Baetis Baetidae, genus Baetis - Baetis Callibaetis - male Callibaetis floridanus Heptageniidae?
Classification
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Ephemeroptera (Mayflies)
Suborder Pisciforma
Family Baetidae (Small Minnow Mayflies)
Numbers
133 spp. in 24 genera in our area(1), ~960 spp. in >100 genera worldwide(2)
Size
Usually less than 15 mm
Identification
Male eyes are large, turban-shaped, and divided into two parts; hind wings very small to absent.
Range
worldwide and throughout NA(1)(2)