Borges, P.A.V. & Cardoso, P. (2023) Rugathodes pico (Merrett & Ashmole, 1989). Guia Prático da Fauna Terrestre dos Açores (ed. by R. Gabriel and P.A.V. Borges), 124-125. 2nd edition. Instituto Açoreano da Cultura, Angra do Heroísmo, Portugal
Paulo A. V. BorgesIsland Biodiversity, Biogeography & Conservation (IBBC)
Pedro CardosoIsland Biodiversity, Biogeography & Conservation (IBBC)