通过近3 a来对湖南省湘西古丈县柑橘大实蝇的病虫害发生进行系统调查和综合防治。结果表明,柑橘大实蝇一年发生1代,5月中旬为羽化始期,产卵盛期为6月下旬,诱捕大实蝇成虫最佳时期在6月中下旬至7月上旬,喷施诱杀效果好,虫果率低。通过对大实蝇诱杀效果比较,经湖南省农业厅,湘西州农业局、古丈县农业局等多家单位专家联合验收,椪柑、脐橙、早熟蜜桔3 a多防效较好,虫果率均未超过2.27%。防治效果非常明显。 In the past 3 years, the occurrence and development of pests and diseases of citrus tarsal in Guzhang County, Hunan Province, have been systematic investigated and comprehensively controlled. The results showed that the citrus fruit fly occurs one generation a year, mid-May is the beginning of eclosion, spawning peak in late June, trapping the best period of Dianthus adults from late June to early July, spraying trapping Good effect, fruit rate is low. Through the comparison of trapping effect on Dorsal fly, the joint inspection and acceptance by several experts from Hunan Provincial Department of Agriculture, Xiangxi State Bureau of Agriculture, Guzhang County Agriculture Bureau and other units made it more effective to kill more than 3-year-old oranges, Rates did not exceed 2.27%. Control effect is very obvious.