| Authors(s) | Wülker, W. |
| Year | 1991a |
| Title | Chironomus fraternus sp. n. and C. beljaninae sp. n., sympatric sister species of the aberratus group in Fennoscandian reservoirs. Entomologica Fennica 2: 97-109. |
| Authors(s) | Wülker, W. |
| Year | 1991a |
| Title | Chironomus fraternus sp. n. and C. beljaninae sp. n., sympatric sister species of the aberratus group in Fennoscandian reservoirs. Entomologica Fennica 2: 97-109. |