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I have tried to determine this Copromyzinae with Pitkins- the lesser dung flies and the key leads me to Crumomyia roserii
- 1: Postocular setae in irregular rows.
-2: One pair of well-developed setae on postpronotal lobe.
- 3: Wings fully developed and hindtibia without anteroventral setae about the middle.
-4: It is a small species,2,4-2,5 mm with shining anepisternum and yellow-brown tibiae.
But when I compare with pictures of C.roserii it is a black fly (except for the tibiae) and so are all the other european Crumomyia as far as I can see.Where have I gone wrong ? or is my fly newly hatched and not fully coloured yet ?
The fly was found in june25,in the middle part of Sweden,on a bucket with nutrition-water for the garden.Lots of horses in the close neighborhood.