E. globosus is similar to E. fallax and differentiates because the sides of pronotum are slightly divergent towards base, the scaly vestiture is usually darker and the dark-brown maculae of the elytra are almost indistinct.
It is flightless, males are unknown and females are infected with the bacterium Wolbachia, associated with the presence of parthenogenetic reproduction in several Naupactini (Rodriguero et al. 2010a).
A key to species of Eurymetopus is given in Lanteri (1984).
It is associated with gramineous plants of the Pampean biogeographic province.