Considerations upon the fixation of the limits between the species and the variety, founded upon the study of the European and Mediterranean species of the hymenopterous genus Polistes (Latr.)

M Sichel

Published in Annals And Magazine of Natural History, in 1868, in volume 2, pages 171-172

Date published:1868

DOI: 10.1080/00222936808695773
BHL: 22248033
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