Here's a copy with less clear text but with better photos, just in case those are important to you.
Here you go!
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