Posted by johnes81 on 26-09-2018 18:55
#4
Tony is correct:
Calliphora vomitoria female
the basicosta is never wholly black on C. vicina. If the basicosta is dark brown, then the posterior edge is yellowish-brown on C. vicina.
In addition to the basicosta, the frontal vitta is too broad for C. vicina. If the frontal vitta is a little more than two times as wide as one fronto-orbital plate, then you look to C. vomitoria.