Prepops singularis General description: HOLOTYPE, ♀, Argentina, La Rioja, Patquía; 13/3/1969; Breyer col; MLP: 4047/1
Prepops sanjavierus General description: HOLOTYPE, ♂, Argentina, Tucumán, San Javier; 3/3/1951; Wygodzinsky col; MLP: 4197/1.