[1]
Rossaro, B. and Casalegno, C. 2001. Description of the pupal exuviae of some species belonging to Orthocladius s. str. van der Wulp, 1874 (Diptera: Chironomidae: Orthocladiinae), with a new key to species of West Palaearctic region. Zootaxa. 7, 1 (Aug. 2001), 1–20. DOI:https://doi.org/10.11646/zootaxa.7.1.1.