Posted by Tony Irwin on 30-12-2006 13:45
#2
Hi J?rgen
Your photos show the pale basicosta well, so I think this is certainly
vicina. As with all carrion-feeding species, the amount of larval food determines the size of the adult, so there is a wide range of sizes in
Calliphora. Rognes give the length of
vicina as 5 to 12 mm.