Reference

Yoshika Oniki (2000): Ricinus butleri n. sp. (Insecta, Phthiraptera, Amblycera, Ricinidae) from the Rufous-capped Spinetail Synallaxis ruficapilla (Aves, Passeriformes, Fumariidae) – Rudolstädter Naturhistorische Schriften – 10_2000: 53 - 58.