Body length of workers around 2 to 2.5 mm. Body unicolored: yellow to reddish brown. Eyes each with around 20 facets. Antennae 12-segmented. Mandibles each with 4 teeth. Paired longitudinal carinae on clypeus distinct. Metanotal groove distinct. Posterodorsal margin of propodeum more or less angulate. No standing hairs on propodeal dorsum. Ventral outline of petiole not strongly convex. Body surfaces from head to postpetiole finely, densely, and distinctively punctate and opaque.
Source:
See weblink Japanese Ant Image Database
