SeasonalityAdults active January until November (Anderson 1987).
IdentificationAccording to Anderson (1987, Fig. 144c), C. frontalis has denticles on female fore tibia. Irregular patches of larger white scales (not vittate) on elytra (Anderson 1987). Hindwing longer than elytra (Anderson 1987). Prementum of rostrum is ventrally swollen and rostrum cross-section circular (Anderson 1987, Fig. 144b). No curved sulcus (groove) behind the eye (as in C. poricollis) (Anderson 1987). Developed postocular lobes (vs. C. trivitattus) (Anderson 1987).