Peanut seed beetle is one of the major pest in stored groundnut pods and kernels in India. The morphological features head and pronotum, elytra, legs, abdomen and pygidium of Caryedon serratus was explained descriptively with the help of key notes and dissected and genitalia of male and female adult insect were depicted with camera lucida and genitalia characters are descriptions are explained. | Morphological and genitalia description of peanut seed beetle caryedon serratus oliver Coleoptera Chrysomelidae Bruchinae