Chamaepsila bicolor
General description:
Shatalkin & Merz: characterized by the brown stripe on the pleura
Key: Collin, J. E. (1944). The British species of Psilidae (Diptera). Entomologist’s Monthly Magazine, 81, 214–224.:
Soós, Á - partial key
Carles-Tolrá, 1993 (Ch. nigromaculata is a synonym of Ch. bicolor)
Distribution
Europe: Countries (published), online at Fauna Europaea, Occurrences at GBIF
UK: Recording Scheme map of occurrences 2016 (verified.) Online (NBN Atlas) via Easy maps or Interactive Atlas
Diagnostic description: