Sphegina occidentalis Malloch 1922

Sphegina occidentalis

provided by wikipedia EN

Sphegina occidentalis is a species of hoverfly in the family Syrphidae.^[2]

^ Malloch, John Russell (1922). "Seven new species of the syrphid genus Sphegina Meigen (Diptera)". Proceedings of the Biological Society of Washington. Biological Society of Washington. 35: 141–144. Retrieved 6 January 2015.
^ Skevington, J.H.; Locke, M.M.; Young, A.D.; Moran, K.; Crins, W.J.; Marshall, S.A (2019). Field Guide to the Flower Flies of Northeastern North America. Princeton Field Guides (First ed.). Princeton, New Jersey: Princeton University Press. p. 512. ISBN 9780691189406.

provided by wikipedia EN

Sphegina occidentalis is a species of hoverfly in the family Syrphidae.