FIG. 7. — Plumarius gradifrons Diez n in Systematics of the South American genus Plumarius Philippi, 1873, with descriptions of new species (Hymenoptera, Plumariidae)

FIG. 7. — Plumarius gradifrons Diez n. sp.: A, B, paratype from the province of San Juan, Ruta 141 km 173 c. Caucete, head, frontal view (A) and ventral view (B); C, paratype from the province of La Rioja, 5 km S of Udpinango, head, lateral view; D, genital capsule, ventral view. Scale bars: 0.5 mm.