中文摘要：

采用野外实地调查法,系统研究了江西地区淡竹叶上的潜叶昆虫-并刺趾铁甲Dac-tylispa approximata Gressitt（江西新纪录种）的生物学习性,描述了并刺趾铁甲的潜道特征、形态结构及其生活史,以期为淡竹叶并刺趾铁甲的预报和防治提供理论基础和技术支持。

英文摘要：

Through field investigation,bionomics of Dactylispaapproximata,a new recorded leaf miner on L.gracilein Jiangxi was systematically studied in this paper.Mine characteristic,adult and pupa morphology and life history of D.approximatea were described.A theoretical basis and technical support were provided for the forecast and control of D.approximateaon L.gracile.