| Authors(s) | Rossaro, B. and Casalegno, C. |
| Year | 2001a |
| Title | 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: 1-20 |