Corbicula -um: a concave, smooth space, edged by a fringe of hairs arising from the margins of the posterior tibiae in bees, forming the pollen basket its function is to hold the collected pollen in place.
Corbiculate: having corbicula.
Cordate: heart-shaped; triangular, with the corners of the base rounded: not necessarily emarginate at the middle of base.
Cordiform: = cordate.
Coriaceo-reticulate: with impressed reticulations giving a leather-like appearance.
Coriaceous: leather-like: thick, tough and somewhat rigid.
Coriarious: leather-like in sculpture or texture.
Corium: the elongate middle section of the hemelytra which extends from base to membrane below the embolium.
Cornea: the outer surface of the compound eye as a whole, and of each individual facet.
Corneal lenses: are the individual lens-like structures of which the cornea of the compound eye is composed.