Female Length 11 mm. Head mostly except the black vertex, thorax except the black entire median portion of the menosotum, brilliant green, with a slight brassy tinge. Abdomen deep shining purple. Antennae and legs piceous, the latter, together with the venter, covered with rather long and thick ferrugineous pubescence. Wings uniformly pale smoky and iridescent, the veins ,lark, the stigma translucent. First submarginal cell about twice the length of second, the first abscissa of radius equalling third.
Baker, Carl F., "Hymenoptera Two New Bees of the Genus Ceratina" (1907). An. Paper 240.