Ricinus is a genus of chewing lice which parasitise birds. It is the largest-bodied genus of chewing lice found parasitizing Passeriformes. Bernard C. Nelson (1972): A Revision of the New World Species of Ricinus (Mallophaga). Occurring on Passeriformes (Aves), University of California Publications in Entomology Volume 68, University of California Press, Berkeley & Los Angeles, PDF
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