Dufourea (Halictoides) novaeangliae was described (as ,i>Panurgus novaeangliae) by Charles Robertson (1897) on the basis of two males from Connecticut and Massachusetts. Viereck (1904) redescribed the species as Conohalictoides lovelli from material of both sexes taken from flowers of pickerelweed, Pontederia cordata L. (Pontederiaceae), by J. H. Lo.elI at Waldoboro, ~laine; he also mentioned a male from Pennsylvania and a female from .\Ianland.
Bouseman, John K.
"Dufourea Novaeangliae in Illinois, with Confirmation of Host Plant (Hymenptera: Halictidae),"
The Great Lakes Entomologist, vol 19
Available at: https://scholar.valpo.edu/tgle/vol19/iss4/2