Syrphidae and Conopidae (Diptera) on Rubus idaeus blossoms. [Syrphiden und Conopiden (Diptera) als Bluten besucher an Rubus idaeus]

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