Apum Mohileviensium species parum cognitae vel imperfecte descriptae
Abstract
A. nigra, capite thoraceque albido-hirtis, maculis abdominis utrinque tribus transversis albo-tomeentosis; alis hyalinis.
This paper has been withdrawn.
A. nigra, capite thoraceque albido-hirtis, maculis abdominis utrinque tribus transversis albo-tomeentosis; alis hyalinis.