Reference citation: Freeman, P. & Lane, R.P.. 1985. Bibionid and Scatopsid Flies. The Royal Entomological Society of London. Vol Vol 9, Part 7. Handbook for the Identification of British Insects . Accessed at: http://www.royensoc.co.uk/publications/index.htm
Source citation: Food Webs and Species Interactions in the Biodiversity of UK and Ireland (Online). 2017. Data provided by Malcolm Storey. Also available from http://bioinfo.org.uk.
