The species of the Platycheirus scutatus (Meigen) complex in central Europe, with description of Platycheirus speighti spec. nov. from the Alps (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