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Hi,
On October 15th, 2021 I came across several Mycetophila females that were busy with checking fungi in a wood in southwestern Germany (about 30 km west of Stuttgart). Comparing their wing pattern with http://www.spessa...phila.html, I arrived at M. fraterna. What is the probability that this is true? I have no Mycetophila key.
Thanks for any help, Sundew