XIX. Notes on some Syrphidie collected near Aden by Colonel J. W. Yerbury in February and March, 1895. By George Heney Vesrall, F.E.S

Published in Transactions of The Royal Entomological Society of London, in 1898, in volume 46, pages 413-422

Date published:1898

DOI: 10.1111/j.1365-2311.1898.tb03297.x
BHL: 12114046
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