Aphaenogaster donann

Nests in the soil of woodland. Turned-down gasters are frequently observed in foraging workers (Japanese Ant Image Database).

Identification
Total length of workers 6 - 7 mm. Body unicolorous blackish brown. Antennae, mesosoma and legs distinctly relatively long. Propodeal spines large and long. Similar to Aphaenogaster gracillima, but separable by its unicolorous body color. (Japanese Ant Image Database)

Distribution based on Regional Taxon Lists
Palaearctic Region: Japan.

Biology
Chromosome number 2n=28.

Nomenclature

 * . Aphaenogaster donann Watanabe & Yamane, 1999: 736, fig. 19 (w.q.m.) JAPAN.
 * Status as species: Imai, et al. 2003: 177.

References based on Global Ant Biodiversity Informatics

 * Terayama M., S. Kubota, and K. Eguchi. 2014. Encyclopedia of Japanese ants. Asakura Shoten: Tokyo, 278 pp.
 * Watanabe H., and S. Yamane. 1999. New species and new status in the genus Aphaenogaster (Formicidae) from Japan. Pp. 728-736 in: Yamane, S.; Ikudome, S.; Terayama, M. 1999. Identification guide to the Aculeata of the Nansei Islands, Japan. Sapporo: Hokkaido University Press, xii + 831 pp.
 * Yamane S., S. Ikudome, and M. Terayama. 1999. Identification guide to the Aculeata of the Nansei Islands, Japan. Sapporo: Hokkaido University Press, xii + 831 pp. pp, 138-317.
 * Yamane S.; Ikudome, S.; Terayama, M. 1999. Identification guide to the Aculeata of the Nansei Islands, Japan. Sapporo: Hokkaido University Press, xii + 831 pp. pp138-317.