G.  Halffter, Favila, M. E., and Halffter, V., ?A comparative study of the structure of the scarab guild in Mexican tropical rain forests and derived ecosystems?, Folia Entomológica Mexicana, vol. 84, pp. 131-156, 1992.

C.  Huerta, Halffter, G., and Halffter, V., ?Nidification in Eurysternus foedus Guerin-Meneville: its relationship to other dung beetle nesting patters (Coleoptera: Scarabaeidae, Scarabaeinae)?, Folia Entomologica Mexicana, vol. 44, pp. 75-84, 2005.

C.  Huerta, Halffter, G., Halffter, V., and López, R., ?Comparative analysis of reproductive and nesting behavior in several species of Eurysternus Dalman (Coleoptera: Scarabaeinae: Eurysternini)?, Acta Zoologica Mexicana (nueva serie), vol. 88, pp. 1-41, 2003.