Prenolepis sp.

Japanese Name

Uwame-ari

Total length of workers about 2 mm. Whole body blackish brown. Long, fine, suberect hairs everywhere abundant. Eyes large, about 1/4 as long as head; their anterior margins situated at midlength of head. Petiole low and long, strongly inclined anteriorly. Anterior surface of 1st gastral segment concave, so as to receive the petiole. Mesothoracic constriction less conspicuous than in other Prenolepis species.

In the field this species looks like a blackish Paratrechina. Workers are active on the ground. A rare species, with only a few collection records.

Shikoku (Kochi Pref.: Usa, Cape Ashizuri and Cape Muroto [Masaaki Morisita leg.]), Kyushu (Kumamoto Pref.: Amakusa [Masaaki Morisita leg.]).