Yamauchi, K. 1979 ("1978"). Taxonomical and ecological studies on the ant genus Lasius in Japan (Hymenoptera: Formicidae). I. Taxonomy. Science Report of the Faculty of Education, Gifu University (Natural Science) 6:147-181. PDF

Yamauchi, K. 1980 ("1979"). Taxonomical and ecological studies on the ant genus Lasius in Japan (Hymenoptera: Formicidae). II. Geographical distribution, habitat and nest site preferences and nest structure. Science Report of the Faculty of Education, Gifu University (Natural Science) 6:420-433.