[1]
P. Vilkamaa, J. Salmela, and H. Hippa, “Black fungus-gnats in deciduous forest habitat in northern Europe, with the description of <i>Bradysia arcula</i> sp. n. (Diptera: Sciaridae)”, Entomol. Fennica, vol. 18, no. 4, pp. 226–231, Dec. 2007.