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Hello Forum,

the attached insect I photographed on May 17th 2007 in an alder marshland in Hagen (Germany). The location is about 175 above see level.

The fly was on the lower side of a stem piece of alder lying on the ground. So, before turning the woody piece, the insect was most likely in a "dark wet chamber".

Is it right that it belongs to the Xylophagidae - perhaps Xylophagus ater?

Thank you for helping me,

Josef