温度对杜仲梦尼夜蛾生长发育及取食量和排粪量的影响  

Effects of Temperature on the Development,Ingestion and Defecation of Orthosia songi

作　　者：王俊雅[1] 李孟楼[1] 王云果[1] 贺虹[1] 王宏涛 

机构地区：[1]西北农林科技大学林学院,陕西省林业综合重点实验室,陕西杨陵712100 [2]陕西汉中永扬医药有限责任公司,陕西略阳724300

出　　处：《西北林学院学报》2016年第6期204-209,231,共7页Journal of Northwest Forestry University

基　　金：汉中永杨医药科技发展有限公司专项(K403021411);陕西省协同创新计划项目(2015)

摘　　要：为了明确温度对杜仲梦尼夜蛾生长发育的影响,采用室内人工恒温饲养方法,设置18、22、26、28℃和30℃5个温度处理,研究温度对杜仲梦尼夜蛾各虫态发育历期、头宽、体长、体重及取食量和排粪量的影响。结果表明,在18-30℃范围内,杜仲梦尼夜蛾各虫态的发育历期随温度的升高而缩短,其世代发育历期在30℃时最短,为17d;该虫完成1个世代的发育起点温度和有效积温分别为10.72℃和670.37日·度;随温度的变化,同龄幼虫的头宽、体长及体重的差异性不大,但随龄期的变化,这些参数的差异均达到显著水平;温度和龄期对幼虫的取排量均存在显著影响,随龄期的增加,幼虫的取排量显著增多,末龄幼虫取排量达到最大,占整个取排量的70%左右。In order to evaluate the Zhang,the developmental duratio effects of the temperature on the development of Orthosia songi Chen et n, head width, body length, body weight, food consumption and defecation of O. songi were studied at five different temperatures （18℃ ,22℃ ,26℃ ,28℃ and 30℃） in the laboratory. The results showed the developmental duration decreased with the increase of temperature in the range of 18 to 30℃,and the shortest developmental duration （17 d） existed at 30℃. The development threshold temperature was 10.72℃, and the effective accumulated temperature required for the whole generation was 670.37 degree-days. There was no significant difference in head width,body length and body weight with the increase of temperature in the range of 18-30℃ of O. songi larvae,but there was a significant difference in larval development （P〈0.05）. The effects of the temperature and instar on the food consumption and defecation of O. songi larvae had a significant difference （P〈0.05）, food consumption and defecation increase with the growth of the larvae,both reaching a maximum in the final instar larvae for about 70% of total amount.

关 键 词：杜仲梦尼夜蛾 温度 历期 头宽 体长 体重 取食量 排粪量 

分 类 号：S763.3[农业科学—森林保护学]