FIGURES 1–8. Figs. 1–2. Ropalidia binghami, female. 1. Head, frontal view. 2. Habitus. Figs. 3–4. Ropalidia parartifex, female. 1. Head, frontal view. 2. Habitus. Figs. 5–6. Ropalidia sumatrae, female. 1. Head, frontal view. 2. Habitus. Figs. 7–8. Ropalidia variegata, female. 1. Head, frontal view. 2 in Additional knowledge respecting taxonomy of the social wasp genus Ropalidia (Hymenoptera: Vespidae: Polistinae) from Vietnam, with new records of three species and an updated key to species

FIGURES 1–8. Figs. 1–2. Ropalidia binghami, female. 1. Head, frontal view. 2. Habitus. Figs. 3–4. Ropalidia parartifex, female. 1. Head, frontal view. 2. Habitus. Figs. 5–6. Ropalidia sumatrae, female. 1. Head, frontal view. 2. Habitus. Figs. 7–8. Ropalidia variegata, female. 1. Head, frontal view. 2. Habitus. Scale: 1mm