Saylor, L. W. (1947). Studies in the melolonthine scarab beetle genera of the American continents. No. V. Raysymmela, a new genus near Symmela Erichson. Revista de Entomologia. 18: 161-166.
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Saylor, L. W.
1947
Studies in the melolonthine scarab beetle genera of the American continents. No. V. Raysymmela, a new genus near Symmela Erichson