Rhinocypha chaoi sp, n. (holotype 6: Dadingshan, Guangdong), Megalestes discus sp. n. (holotype 3: Mangshan, Hunan), Rhipidolestes chaoi sp. n. (holotype 3: Mangshan, Hunan), Calicnemia chaoi sp. n. (holotype 3: Pengshan, Guangdong) and Macromia unca sp. n. (holotype 3: Maoping, Guangdong) are described from the Shikengkong area of northern Guangdong province and southern Hunan in southern China.