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Only now I had time to go upstairs to my little room and look at the fly again. Indeed my cheeks are still blushing; I really overlooked the bristled on the hind femur. It is absultely, as Andrzej, said a male N. ruficeps. I am very pleased with the specimen, since it is the first Dutch one in my collection. I have two other males from Hungary.
I have to say, Andrzej, that it looks to me that the bristles on their femore a slighter bigger. Is there such a variability in the size of these bristles, Andrzej? I ahve to say that all the Hungarian Heleomyzidae have been checked by Laci during the last year during my stay in Hungary.