Synonyms and combinations
Source: Catalogue of Life
Bibliography
Source: Catalogue of Life
3 results
Wiedemann, C.R.W. (1830) Aussereuropäische zweiflügelige Insekten. Als Fortsetzung des Meigenschen Werkes. Zweiter Theil. Schulz, Hamm. xii + 684 pp., 5 pls. [1830.09.01]. Published in |
Curran, C.H. & Fluke, C.L. (1926) Revision of the Nearctic species of Helophilus and allied genera. Transactions of the Wisconsin Academy of Sciences, Arts and Letters 22: 207-281, 3 pls. |
Hull, F.M. (1943) New species of American syrphid flies. Bulletin of the Brooklyn Entomological Society 38: 48-53. [1943.04.14]. |
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