Key to the larval stages of aquatic true flies (Diptera), based on the operational taxa list for running waters in GermanyA. Sundermann, S. Lohse, L. A. Beck and P. HaaseAnn. Limnol. - Int. J. Lim., 43 1 (2007) 61-74DOI: https://doi.org/10.1051/limn/2007028
