Hylaeus (Hylaeus) leptocephalus (Morawitz 1871["1870"]) ( leptocephalus group)

County records: Arenac, Gladwin, Huron, Ingham, Manistee, Midland, Montcalm, Saginaw, Washtenaw, Wayne, Wexford.

Notes. Holarctic. Nesting biology in a Utah greenhouse study described by Torchio (1984) and occupancy in abandoned halictid ground nests by Barrows (1975), both as H. bisinuatus .