Protodufourea is a genus of sweat bees in the family Halictidae. There are about five described species in Protodufourea.
Species These five species belong to the genus Protodufourea: Protodufourea eickworti Bohart & Griswold, 1997 Protodufourea koso Bohart & Griswold, 1997 Protodufourea parca Timberlake, 1955 Protodufourea wasbaueri Timberlake, 1955 Protodufourea zavortinki Bohart & Griswold, 1997
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