Examples from the Web for corneous
Episternites: the upper pair of corneous appendages forming the ovipositor in grasshoppers.Explanation of Terms Used in Entomology|John. B. Smith
(Hymenoptera L.) Maxilla corneous, compressed, often elongate.An Introduction to Entomology: Vol. IV (of 4)|William Kirby
The tentacles are long and slender, with short peduncles for the eyes; the operculum is corneous, with a central nucleus.
The upper organs of flight, when they are corneous or coriaceous at the base and membranous at the apex.An Introduction to Entomology: Vol. III (of 4)|William Kirby
The columella is somewhat twisted; the operculum is corneous, with a lateral nucleus.