Hirvenoja, M., Palmén, E. and Hirvenoja, E. (2006) “The emergence of <i>Halocladius variabilis</i> (Staeger) (Diptera: Chironomidae) in the surroundings of the Tvärminne Biological Station in the northern Baltic Sea”, Entomologica Fennica, 17(2), pp. 87–89. doi: 10.33338/ef.84292.