Lasius umbratus Nylander, 1846 Worker Queen Male Gallery Distribution and habitat References Yamauchi, K. (1979). Taxonomical and ecological studies on the ant genus Lasius in Japan (Hymenoptera: Formicidae). I. Taxonomy. Sci. Rep. Fac. Educ. Gifu Univ. (Nat. Sci.), 6, 147-181. Related articles Lasius meridionalis Lasius hikosanus? Lasius morisitai Lasius nipponensis Lasius spathepus Lasius orientalis
