Figures 1–4 in First report of Monoeca in Argentina, with description of two new species (Hymenoptera: Apidae)

Figures 1–4. Males of Monoeca Lepeletier & Audinet-Serville from Argentina. 1. Dorsal view of mesosoma of Monoeca pulchella, new species, holotype. 2. Ventral view of metasoma of M. pulchella, holotype. 3. Dorsal view of mesosoma of M. armata, new species, paratype from Bernardo de Irigoyen, Misiones. 4. Ventral view of metasoma of M. armata, same paratype as in figure 3.