Shop › Freshwater Reviews Vol 6 Issue 1 June 2013 - Family-level keys to freshwater fly (Diptera) larvae. Image 1 of 1 Freshwater Reviews Vol 6 Issue 1 June 2013 - Family-level keys to freshwater fly (Diptera) larvae. £5.00 A brief review and a key to European families avoiding use of mouthpart characters. Add To Cart Added! A brief review and a key to European families avoiding use of mouthpart characters. You Might Also Like Assessing the biological quality of freshwaters: RIVPACS and other techniques - SPEC08 Identification of Genera of Chironamid Pupal Exuviae - SPEC 13 Guide to the Identification of Soil Protozoa Testate Amoebae Turbulence in Lakes & Rivers - SP29 Desmids of the English Lake District. - SP42