4. Agenia althea ^HNS.

A. nigra; facie pube argentato-alba vestita, thoraoe abdomineque sericeo pubescentibus; alis hyalinis, venis nigris.

Female. Length 5 lines. Black; the face silvery; the anterior margin of the clypeus rounded and narrowly smooth and shining; tips of the mandibles ferruginous; the mandibles elongate and pale rufotestaceous. Thorax: the metathorax finely transversely rugose, the sides with bright silvery-white pubescence; the coxae, the thorax beneath and on the sides, with fine silky sericeous pile; the anterior tibiae and tarsi, and all the femora at their apex beneath, ferruginous; wings hyaline and iridescent, nervures black; the outer margin of the tegulae testaceous. Abdomen shining, and with a fine silvery sericeous pile; the apical margins of the segments narrowly rufo-piceous; the terminal segment with an elongate, smooth, shining space, which extends to the apex, which is testaceous.

Hub. Aru.