cover image: The Syrphidœ of the Ethiopian region based on material in the collection of the British Museum (Natural history), with descriptions of new genera and species. By Professor Mario Bezzi

20.500.12592/1pptjj

The Syrphidœ of the Ethiopian region based on material in the collection of the British Museum (Natural history), with descriptions of new genera and species. By Professor Mario Bezzi

1915