成虫 Traditional form: 成蟲 Pinyin (reading): chéngchóng Definitions: imago (adult, sexually mature insect, the final stage of its development) Characters: 成 - to accomplish; to become; to complete, to finish; to succeed 虫 - insect, worm; mollusk Traditional characters: 成 - to accomplish; to become; to complete, to finish; to succeed 蟲 - insect, worm; mollusk