Abstract

From the Upper Paleocene/Lowermost Eocene Fur Formation (Moler) of NW Jutland, Denmark, a dipteran larva (fourth instar) is described. On grounds of its morphology and dimensions the specimen can be assigned to the family Chironomidae (non-biting midges). Owing to the mode of development of this family in aquatic habitats, a transport of the larva by wind or active flight to its place of burial can be excluded. Instead, the larva could have been a leftover of a fish meal or transported by currents. The specimen is the first representative of chironomids in the Fur Formation and, additionally, the first wingless stage described from these deposits.

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