This article appeared in the journal Zootaxa on 27.Jan.2017.

Citation:
Tantawi, T. I.; Whitworth, T. L. & Sinclair, B. J. Revision of the Nearctic Calliphora Robineau-Desvoidy (Diptera: Calliphoridae) Zootaxa, 2017, 4226, 301-347. https://doi.org/10.11646/zootaxa.4226.3.1