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I hesitate to disagree with Theo (experience tells me this is not a good idea! ;)), but I don't think the females are Lucilia. They're certainly not the same species as the male - much smaller scutellum, and a different bend in vein M (just visible on the upper fly). They may even be muscids - something close to Dasyphora. The angle at which they hold the wings is not always a good character, but it is a clue. In both Muscidae and Calliphoridae there are genera which tend to hold the wings out, and those which tend to overlap them.
I agree about the Morellia.