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SERICOGASTER WESTWOOD, A SENIOR SYNONYM OF HOLOHESMA MICHENER (HYMENOPTERA, APOIDEA, COLLETIDAE) |
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| Authors: | Arnold S Menke Charles D Michener |
| Institution: | *Systematic Entomology Laboratory, U.S. Department of Agriculture, Washington, D.C., 20560, U.S.A.;†Departments of Entomology and of Systematics and Ecology, University of Kansas, Lawrence, Kansas, 66044, U.S.A. Communicated by Dr T. E. Woodward. |
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