Does anyone have a pdf of this paper they could send?
 
Reyes-Castillo, P., and A. Martinez. 1979. Nuevos Rhyparini Neotropicales, con notas sobre su
biologia (Coleoptera, Scarabeidae, Aphodiinae). Folia Entomológica Mexicana v. 41: 115-134
 
Thanks!
 
Bill