Young, A.D., Marshall, S.A. & Skevington, J.H. (2016) Revision of
Platycheirus
Lepeletier and Serville (Diptera: Syrphidae) in the Nearctic north of Mexico.
Zootaxa
, 4082 (1), 1–317.
https://doi.org/10.11646/zootaxa.4082.1.1