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Some unusual Syrphid flies
Published in Entomological News Lancaster, in 1950, in volume 60, pages 225-234
Created: 2011-08-10, modified: 2021-04-05
Enrique Schmidt (1864-1948)
Published in Entomological News, in 1950, in volume 60, pages 261-262
Created: 2010-01-13, modified: 2021-04-05
A new grass aphid from Utah
Published in Entomological News, in 1950, in volume 61, pages 41-42
Created: 2011-06-03, modified: 2021-04-05