[1]
A. Guglielmino and C. Bückle, “Northern Apennines as centre of speciation: a new Verdanus species group (Hemiptera, Cicadomorpha, Cicadellidae) from Italy and its phylogenetic relationships with V. bensoni and the V. limbatellus group”, Zootaxa, vol. 2264, no. 1, pp. 1–22, Oct. 2009.