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Hi,

we found mines in leaves of Ranunculus auricomus. Unfortunately we did not succeed to identify with the key of http://www.bladmineerders.nl/plantenf/pfranunculaceae/ranunculus.htm
It is a upper surface gallery, corridor mine. hardly any frass visible. If present, small granules in a row. Pupation probably within the mine (or outside?), exits were found in the upper or lower surface of the leave. Most of the mines were empty. We found one insect (pupa?), probably a Hymentoptera.

Found in Germany, Lower Saxony, Göttingen, ourdoor exprimental area of the University.

Any idea?

Thanks a lot
Thomas