Abstract. Delforge, P.- Ophrys tarquinia sp. nova, a Tuscan species of the Ophrys exaltata group  [Natural. belges 81 (Orchid. 13) (2000): 83-88 + 2 figs]. Description of the Tarquin's Ophrys, an overlooked species of the Ophrys exaltata group, considered till now as O. sphegodes s. str.

Key-Words: Flora of Italy, flora of Tuscany. Orchidaceae, genus Ophrys, Ophrys sphegodes complex, Ophrys exaltata species group, Ophrys tarquinia sp. nov.