Keyed to this species using this excellent photographic key:
Jewiss-Gaines, A., Marshall, S.A., Whitworth, T.L. 2012. Cluster flies (Calliphoridae: Polleniinae: Pollenia) of North America. Canadian Journal of Arthropod Identification No. 19, 15 February 2012, available online at
http://www.biology.ualberta.ca/bsc/ejournal/jmw_19/jmw_19.html.
Contributed by
Ben Coulter on 27 February, 2012 - 10:39am
Last updated 27 March, 2012 - 12:31pm