A Study on the Index of Prevention and Control of Ceracris kiangsu Tsai

Through measurement of the leaf quantity damaged by Ceracris ktangsu and leaf area of Phyllostachys pubecens stand in Taojian County,Hunan Province,and measurement of culms quantity on the sample plots damaged by C.ktangsu and calculation of the controlling costs and value of the young culms on the sample plots,the economic thresholds for the eggs,nymphs,adults of C.ktangsu have been ascertained.After practice,a series of technical measures have been put forward for the control.