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Hi,
On the 10th of March, 2017, I found this male sitting on the windowsill of our staircase. Utilizing the threads https://diptera.i...d_id=38795 and https://diptera.i...d_id=58433 as well as the keys by D'Assis Fonseca and Zimin & Elberg in Bei-Bienko I arrived at Helina pertusa.