Citation: Speight, M.C.D. 1991 Callicera aenea, C. aurata, C. fagesii and C. macquartii redefined, with a key to and notes on the European Callicera species (Diptera: Syrphidae). Dipterists Digest 10: 1-25
Number of Pages: 25
Keywords: Diptera, Europe, Insect, Key, Syrphidae