The problem of old names as illustrated by Brachyopa’conica Panzer’, with a synopsis of Palaearctic Brachyopa Meigen (Diptera: Syrphidae)

Scratchpads developed and conceived by (alphabetical): Ed Baker, Katherine Bouton Alice Heaton Dimitris Koureas, Laurence Livermore, Dave Roberts, Simon Rycroft, Ben Scott, Vince Smith