Posted by Nikita Vikhrev on 12-12-2019 09:41
#4
I suppose it is
Physiphora smaragdina: black tarsi + widespread in Africa + recorded for Spain mainland (see: https://diptera.info/forum/viewthread.php?forum_id=5&thread_id=48169&pid=209025 or https://diptera.info/forum/viewthread.php?forum_id=5&thread_id=43641&pid=191145
or https://diptera.info/forum/viewthread.php?forum_id=5&thread_id=50937)