WIBERG-LARSEN, P. ., HANSEN, S. B. ., RINNE, A. ., VIITANEN, E. . and KROGH, P. H. . (2021) “Key to Ptychopteridae (Diptera) larvae of Northern Europe, with notes on distribution and biology”, Zootaxa. Auckland, New Zealand, 5039(2), pp. 179–200. doi: 10.11646/zootaxa.5039.2.2.