Eyes emarginate. Antennal flagellomeres usually orange, rarely reddish brown. Posterior ocelli closer to each other than to eye. Posterior ocelli less than Ix farther from occiput than from eye. Vertex depressed at medially. Vertex long, distance between posterior ocelli and occiput greater than distance between posterior ocelli and eye. Fore wing with first discal cell longer than subbasal cell. Fore wing folded longitudinally. Hind wing without jugal lobe. Metacoxa with dorsal longitudinal carina. Metasoma sessile with tergum 1 abruptly declivous anteriorly.
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