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Definitely Tephritidae, but I must confess that I am not sure what it is... The specimens looke very fresh, so the wingcoloration could be under developped. If you still have the specimen, you should be able to see more dark spots on the wings after a few hours.
A wild guess would be a male Xyphosia miliaria. But if you still have the specimen I would like some new pictures from avove to confirm this ID.

John