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What an interesting species! Tschorsnig & Wagenhoff (2012, http://www.nadsdi...s/TT25.pdf) describe its occurrence and behaviour in Baden-Württemberg and found it north of Stuttgart. I saw this animal on 16 June in Renningen-Malmsheim, a small town west of Stuttgart. This is the end of the flight period of P. grandis. My fly looks rather old already, the body dusting is largely gone... However, this is no proof for correct ID, and unfortunately there are no pictures showing the fore tarsus to fore tibia ratio. So we can only admit that there is quite a chance for my fly to be P. grandis. (I suppose it is a Phorocera for sure, only the species is uncertain?)