Figs 1–4 in New records of species of the genus Trypoxylon Latreille, 1796 (Hymenoptera: Crabronidae) from northern Vietnam

Figs 1–4. Trypoxylon spp.: 1–2 — T. bicolor; 3–4 — T. petiolatum; 1, 3 — head in frontal view, female; 2, 4 — flagellum, male. Рис. 1–4. Trypoxylon spp.: 1–2 — T. bicolor; 3–4 — T. petiolatum; 1, 3 — голова спереди, самка; 2, 4 — жгутик, самец.