Camponotus obscuripes valid Japan. Palearctic.
Mayr, G. 1879. Beiträge zur Ameisen-Fauna Asiens. Verhandlungen der Kaiserlich-Königlichen Zoologisch-Botanischen Gesellschaft in Wien 28:645-686.   127197

Camponotus obscuripes hemichlaena obsolete combination Japan. Palearctic.
Yasumatsu, K.; Brown, W. L., Jr. 1951. Revisional notes on Camponotus herculeanus Linné and close relatives in Palearctic regions (Hymenoptera: Formicidae). Journal of the Faculty of Agriculture, Kyushu University 10:29-44.   130564