Cordero, P. J., Llorente, V., Cordero, P. and Ortego, J. (2009) “Recognizing taxonomic units in the field—The case of the crickets Oecanthus dulcisonans Gorochov 1993, and O. pellucens (Scopoli, 1763) (Orthoptera: Gryllidae): implications for their distribution and conservation in Southern Europe”, Zootaxa. Auckland, New Zealand, 2284(1), pp. 63–68. doi: 10.11646/zootaxa.2284.1.5.