Aphaenogaster edentula

Japanese Name

Togenashi-ashinaga-ari

Watanabe, H. & Yamane, S. (1999) New species and new status in the genus Aphaenogaster (Formicidae) from Japan. In: Identification Guide to the Aculeata of the Nansei Islands, pp. 728-729, Hokkaido Univ. Press, Sapporo.

Total length of workers 4 - 6 mm. Body color dark brown; legs, petiole and postpetiole more brownish; mandibles, the four apical antennal segments and tarsi lighter. Head and pronotal dorsum with numerous standing hairs, which are longer and denser than those on gaster. Posterior border of head flat in full face view. Posterior portion of head shining, with simple, sparse striation. Funicular segments strongly constricted between them. Mesonotum raised, but lower than pronotum; covered with striae and shallow punctures. Lateral portions of mesopleurae with strong longitudinal striae and punctures. Propodeal spines weakly developed, low (each shorter than its basal width), with blunt apices.

Nests in the soil in woodland. Known only from the Ogasawara Islands.

Ogasawara Is (Muko-jima I., Haha-jima I.).