The fauna of agricultural insects in Hunan province belonged to the region of rice and tea in subtropical area of the south Yangtze river in Oriental Region. According to the geographical features and conditions of the overall arrangment of crops and forests,the composition of the insect species and the characteristics of their occurrence,the authors sug-gest that the geographical region of agricutural insects in Hunan be divided into two subre- gions : the region of central- north Hunan and the region of south Hunan,their divisional line is from Dongan to Yanling via the Qiyang.Those two subr...
