1809 Shaw Gen. Zool. VII. ii. 303The wing-feathers are brown, but rufo-testaceous at their base.
1817 Kirby & Sp. Introd. Entom. (1818) II. xix. 126The..scales that defend the base of the wings are rufo-piceous.
Ibid. ,The tarsi and the apex of the tibiæ are rufo-fulvous.
1842 Penny Cycl. XXII. 53/1Shell..painted with small, rufo-fuscous,..subfasciculated lines.
1847 Proc. Berw. Nat. Club II. 244Legs, mouth, and palpi rufo-ferruginous.
1868 Watts Dict. Chem. ,Rubinic Acid, also called Rufocatechuic acid.
ORIGIN: from Latin rufus red: see -o- .