花曲柳窄吉丁Agrilus planipennisFairmaire属鞘翅目Coleoptera吉丁科Buprestoidea窄吉丁属Agrilus,是木岑属树木的毁灭性蛀干害虫。调查研究表明,花曲柳窄吉丁以幼虫越冬,但在不同纬度地区其幼虫的越冬虫态、发育历期和年发生代数不同...花曲柳窄吉丁Agrilus planipennisFairmaire属鞘翅目Coleoptera吉丁科Buprestoidea窄吉丁属Agrilus,是木岑属树木的毁灭性蛀干害虫。调查研究表明,花曲柳窄吉丁以幼虫越冬,但在不同纬度地区其幼虫的越冬虫态、发育历期和年发生代数不同。在河北省唐山市与天津市及其以南地区,花曲柳窄吉丁1 a发生1代,以老熟幼虫在浅层木质部蛀建蛹室开始越冬,第2年有1个化蛹、羽化高峰。在辽宁省本溪市也为1 a 1代,但以不同龄期的幼虫在蛹室或蛀道里越冬,老熟幼虫比例约占90%,相应地第2年有1大1小两个成虫羽化高峰期。在吉林省吉林市有一部分虫体完成1代需要多于1 a的时间,可能为1 a 1代和2 a 1代混和发生区。在纬度较高的黑龙江省哈尔滨市,发生1代需要2 a时间,幼虫发育需要经历2个冬季。随着纬度的增高,花曲柳窄吉丁越冬幼虫中有低龄幼虫所占比例逐渐增加,老熟幼虫的比例逐渐减少的趋势。吉丁虫类昆虫(包括花曲柳窄吉丁)可能为异动态昆虫,其幼虫阶段越冬可能为其化蛹所必需。展开更多
[Objectives]This study was conducted to investigate the effects of different concentrations of sodium cyclohexyl sulfamate on the growth and development of Drosophila melanogaster.[Methods]Different concentrations of ...[Objectives]This study was conducted to investigate the effects of different concentrations of sodium cyclohexyl sulfamate on the growth and development of Drosophila melanogaster.[Methods]Different concentrations of sodium cyclohexyl sulfamate were added to the culture medium,and the effects of different concentrations of sodium cyclohexyl sulfamate on the development time and weight of D.melanogaster in various life stages were statistically analyzed.[Results]High concentration of sodium cyclohexyl sulfamate delayed the time of pupation and eclosion of D.melanogaster,which made D.melanogaster lose weight.The number of male D.melanogaster in the first generation was much larger than that of female individuals,which indicated that the effect of sodium cyclohexyl sulfamate on male D.melanogaster was greater than that of female individuals.In a word,high concentration of sodium cyclohexyl sulfamate significantly inhibited the growth and development of D.melanogaster.[Conclusions]This study provides some reference data for the research perspective of food additives and the safe use of sodium cyclohexyl sulfamate.展开更多
文摘花曲柳窄吉丁Agrilus planipennisFairmaire属鞘翅目Coleoptera吉丁科Buprestoidea窄吉丁属Agrilus,是木岑属树木的毁灭性蛀干害虫。调查研究表明,花曲柳窄吉丁以幼虫越冬,但在不同纬度地区其幼虫的越冬虫态、发育历期和年发生代数不同。在河北省唐山市与天津市及其以南地区,花曲柳窄吉丁1 a发生1代,以老熟幼虫在浅层木质部蛀建蛹室开始越冬,第2年有1个化蛹、羽化高峰。在辽宁省本溪市也为1 a 1代,但以不同龄期的幼虫在蛹室或蛀道里越冬,老熟幼虫比例约占90%,相应地第2年有1大1小两个成虫羽化高峰期。在吉林省吉林市有一部分虫体完成1代需要多于1 a的时间,可能为1 a 1代和2 a 1代混和发生区。在纬度较高的黑龙江省哈尔滨市,发生1代需要2 a时间,幼虫发育需要经历2个冬季。随着纬度的增高,花曲柳窄吉丁越冬幼虫中有低龄幼虫所占比例逐渐增加,老熟幼虫的比例逐渐减少的趋势。吉丁虫类昆虫(包括花曲柳窄吉丁)可能为异动态昆虫,其幼虫阶段越冬可能为其化蛹所必需。
基金Supported by Undergraduate Innovation and Entrepreneurship Training Program(202314390006)Undergraduate Innovation and Entrepreneurship Training Program(2024DC078)Construction Project of Biological Experiment Teaching Demonstration Center in Colleges and Universities in Shaanxi Province.
文摘[Objectives]This study was conducted to investigate the effects of different concentrations of sodium cyclohexyl sulfamate on the growth and development of Drosophila melanogaster.[Methods]Different concentrations of sodium cyclohexyl sulfamate were added to the culture medium,and the effects of different concentrations of sodium cyclohexyl sulfamate on the development time and weight of D.melanogaster in various life stages were statistically analyzed.[Results]High concentration of sodium cyclohexyl sulfamate delayed the time of pupation and eclosion of D.melanogaster,which made D.melanogaster lose weight.The number of male D.melanogaster in the first generation was much larger than that of female individuals,which indicated that the effect of sodium cyclohexyl sulfamate on male D.melanogaster was greater than that of female individuals.In a word,high concentration of sodium cyclohexyl sulfamate significantly inhibited the growth and development of D.melanogaster.[Conclusions]This study provides some reference data for the research perspective of food additives and the safe use of sodium cyclohexyl sulfamate.
