[1]郭加忠,郭同斌*,颜学武,等.白蛾黑基啮小蜂寄主接受行为因子的探讨[J].江苏林业科技,2015,42(03):17-20.[doi:10.3969/j.Issn.1001-7380.2015.03.004]
 GUO Jia-zhong,GUO Tong-bin*,YAN Xue-wu,et al.Probe of host acceptance factor of Tetrastichus nigricoxae Yang[J].Journal of Jiangsu Forestry Science &Technology,2015,42(03):17-20.[doi:10.3969/j.Issn.1001-7380.2015.03.004]
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白蛾黑基啮小蜂寄主接受行为因子的探讨()
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《江苏林业科技》[ISSN:1001-7380/CN:32-1236/S]

卷:
第42卷
期数:
2015年03期
页码:
17-20
栏目:
试验研究
出版日期:
2015-06-30

文章信息/Info

Title:
Probe of host acceptance factor of Tetrastichus nigricoxae Yang
文章编号:
1001-7380(2015)03-0017-04
作者:
郭加忠1郭同斌2* 颜学武3王虎诚2杜伟2
1. 高邮市京杭运河管理处,江苏高邮225600;
2. 徐州市森林病虫防治检疫站,江苏徐州221009;
3. 湖南省林业科学研究院,湖南长沙410004
Author(s):
GUO Jia-zhong1GUO Tong-bin2* YAN Xue-wu3WANG Hu-cheng2DU Wei2
Gaoyou Administration of Grand Canal,Gaoyou 225600,China;
2. Forest Pest Management and Quarantine Station of Xuzhou,Xuzhou 221009,China;
3. Hunan Academy of Forestry,Changsha 410004,China
关键词:
白蛾黑基啮小蜂 寄主接受 蛹表提取物
Keywords:
Tetrastichus nigricoxae Yang Host acceptance Pupal shell extractive
分类号:
Q968
DOI:
10.3969/j.Issn.1001-7380.2015.03.004
文献标志码:
A
摘要:
白蛾黑基啮小蜂( Tetrastichus nigricoxae Yang) 是徐州地区杨小舟蛾( Micromelalopha troglodyta) 蛹期的1 种重要天敌。研究证明,白蛾黑基啮小蜂主要是通过嗅觉来识别寄主蛹的,并且它能够辨别已寄生蛹和未寄生蛹,避免了因重复寄生而造成子代小蜂不能完成世代发育。未寄生的杨小舟蛾蛹表提取物中含有大量羊毛甾醇( 62. 411%) ,而寄生过的杨小舟蛾蛹表提取物中不存在该物质。高浓度的未寄生蛹表提取物能够引诱白蛾黑基啮小蜂,而已寄生蛹表提取物对小蜂无引诱作用。2 种提取物均不能提高白蛾黑基啮小蜂对杨小舟蛾的寄生率。
Abstract:
Tetrastichus nigricoxae Yang parasitizes mainly on the Micromelalopha troglodyta Graeser pupae in Xuzhou City.Our research showed that olfaction of the female chalcid played the major role in its host acceptance. And T. nigricoxaeYang could also identify the non-parasitized and parasitized pupae to avoid hyperparasitization. The shell extractive of thenon-parasitized pupae that could attract the chalcid contained a large number of lanosterol ( 62. 411%) ,which did not existin the shell extractive of the parasitized pupae. Both of the extractives could not attract the chalcid to gain more hosts.

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备注/Memo

备注/Memo:
收稿日期: 2015-04-20; 修回日期: 2015-04-28
基金项目: 江苏省“333 工程”科研项目( BRA2010027)
作者简介: 郭加忠( 1966 - ) ,男,江苏高邮人,大学专科毕业,主要从事林业技术推广工作。
* 通信作者: 郭同斌( 1967 - ) ,男,研究员级高级工程师,博士。E-mail: gtb1101@163. com。
更新日期/Last Update: 2015-08-20