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- Skevington, J.H., Locke, M.M., Young, A.D., Moran, K.M., Crins, W.J. & Marshall, S.A. 2019. Field Guide to the Flower Flies of Northeastern North America. Princeton Field Guides 118. Princeton University Press. 515 pp. DOI: 10.2307/j.ctv7xbrvz
JSTOR ISBN 978-0691189406 (print) ISBN 978-0691192512 (ebook)
