Reference

Günther Wewalka (1973): Results of the Austrian-Ceylonese hydrobiological mission 1970 of the 1st zoological Institute of the University of Vienna (Austria) and the department of zoology of the Vidailankara University of Ceylon, Kelaniya, Part. 9: Dytiscidae (Col.). – Bull. Fish. Res. Stat. Sri Lanka (Ceylon) – 24: 83 - 87.