Cerapachys humicola

Japanese Name

Tsuchi-kubire-hari-ari

Ogata, K. (1983) The ant genus Cerapachys F. Smith of Japan, with description of a new species. Esakia 20: 131-137.

Total length of workers about 2.5 mm. Body color reddish brown. Antennae 11-segmented. Body surface densely covered with fine reticulation and short pale yellowish hairs. Eyes absent. Pronotum without anterior margination. Petiole almost as long as wide, with rounded corners; subpetiolar process distinct, projecting ventrally, apex rounded. Constriction between 1st and 2nd gastral segments less distinct than in C. biroi. Second gastral segment as long as total length of petiole + 1st gastral segment.

Found on the floor of broad-leaved forest. Colonies include several tens of workers. Rare.

Honshu (the Kanto District and southwards), Kyushu, Tsushima I.