Wiberg-Larsen, P., Hansen, S.B., Rinne, A., Viitanen, E. & Krogh, P.H. (2021)

Key to Ptychopteridae (Diptera) larvae of Northern Europe, with notes on distribution and biology

. Zootaxa, 5039 (2), 179–200.
https://doi.org/10.11646/zootaxa.5039.2.2