Giant Bamboo Ladybird

Length 10-13 mm, width 9-11.5 mm. Form round and very large, strongly convex. Ground colour bright red, orange or yellow, with the following black markings: a transverse black marking in posterior half of head, below lower margins of eyes. A large, trapezoidal median marking at base of pronotum and thirteen spots on elytra-three common spots on sutural line, rest arranged in a 1-2-2 pattern on each elytron. Ventral side uniformly reddish or yellowish brown. Antenna: short and compact, last segment spatulate.