Souza-Dias, P. G.; Bolfarini, M. P.; Nihei, S. S.; de Mello, F. A. Endecous apterus: A New Species of Cave Cricket from Northeast Brazil, With Comments on the Use of Subterranean Habitats by Luzarinae Crickets (Orthoptera: Grylloidea: Phalangopsidae: Luzarinae). Zootaxa 2014, 3784, 120–130.