H. Lappalainen and H. Simola, “The fire-adapted flatbug Aradus <i>laeviusculus</i> Reuter (Heteroptera, Aradidae) rediscovered in Finland (North Karelia, Koli National Park)”, Entomol. Fennica, vol. 9, no. 1, pp. 3–4, Jan. 1998.