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 The Phytoplankton of Windermere - SPEC10 Assessing the biological quality of freshwaters: RIVPACS and other techniques - SPEC08 Environmental Effects of Cadmium in Freshwater - OP23 A Guide to Estimating Microbial Numbers and Biomass in fresh water - SP39 Statistical Analysis of samples of Benthic Invertebrates - SP25