Scatopsciara (Xenopygina),

Menzel, Frank, Smith, Jane E. & Chandler, Peter J., 2006, The sciarid fauna of the British Isles (Diptera: Sciaridae), including descriptions of six new species, Zoological Journal of the Linnean Society 146 (1), pp. 1-147 : 127

SCATOPSCIARA (XENOPYGINA) DENTIFERA (FREY, 1936)

Synonyms: aculea Mohrig, 1985 ; siccata Mohrig & Kauschke, 1997 .

New to British list.

Material examined: Blaen Cilieni , Powys, 1 male, 2.x.1989, Holmes, Boyce & Reed leg. ( PPWM) . Illtyd Pools , Powys, 1 male, 2.x.1989, Holmes, Boyce & Reed leg. ( PPWM) . Pant-y-Sais, Neath / Port Talbot , 1 male, 13.vii.1989, Holmes, Boyce & Reed leg. ( PPWM) . Rhôs-y-gad, Isle of Anglesey, 1 male, 27.vii.1988, Holmes, Boyce & Reed leg. ( PPWM) .

Ecological notes: found on Carex paniculata and Molinia heath; calcareous fen; Juncus basin mire; Phragmites and Molinia bog. vii, x.