Supplementary Note on Nomada issikii Yasumatsu (Hymenoptera, Apidae) in the roberjeotiana Species Group of the Genus Nomada

Japanese Journal of Systematic Entomology

... genus Nomada ( Hymenoptera : Apoidea ) . Univ . Kansas Sci . Bull . , 55 ... Apidae ) . Esakia , ( 42 ) : 47–54 . MATSUMURA , S. , 1912. Thousand Insects of Japan . Supplement . IV . Keiseisha ... roberjeotiana Species Group 317.