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Hello,

These two are from the same location, near a little pond at the edge of a forest in Southern Limburg (Vijlenerbos).
The first was seen in June, the second in September.

Ben

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Hi Ben,

Both specimens seem to belong to the group of Geomyza annae/balachowskyi/hackmani/martineki. It is difficult to give a positive id from a picture. My best guess would be Geomyza hackmani/martineki for the first one and Geomyza balachowskyi for the second. If you collected the specimens, they can be identified by the genitalia.

Jan Willem

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Thanks Jan Willem,

The animals were not collected. I came there during the summer about two times a month and almost every time I saw a Geomyza, but always only one.

Ben