[1]
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. 5039, 2 (Sep. 2021), 179–200. DOI:https://doi.org/10.11646/zootaxa.5039.2.2.