Revisione degli eumenidi neotropicali appartenenti ai generi Pachymenes Sauss., Santamenes N. Gen., Brachymenes G. S., Pseudacaromenes G. S., Stenosigma G.S. e Gamma Zav. (Hymenoptera)
“ In every community, there is work to be done. In every nation, there are wounds to heal. In every heart, there is the power to do it. ” ― Marianne Williamson