[1]吴 静,郭同斌*,宋明辉,等.白蛾黑基啮小蜂种群数量变化规律的初步研究[J].江苏林业科技,2015,42(02):1-5.[doi:10.3969/j.issn.1001-7380.2015.02.001]
　WU Jing,GUO Tong-bin*,SONG Ming-hui,et al.Preliminary study on the change rhythm of population quantity of Tetrastichus nigricoxae parasitizingMicromelalopha troglodyta pupae[J].Journal of Jiangsu Forestry Science &Technology,2015,42(02):1-5.[doi:10.3969/j.issn.1001-7380.2015.02.001]
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白蛾黑基啮小蜂种群数量变化规律的初步研究()
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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02期
页码:
1-5
栏目:
试验研究
出版日期:
2015-04-30

文章信息/Info

Title:
Preliminary study on the change rhythm of population quantity of Tetrastichus nigricoxae parasitizingMicromelalopha troglodyta pupae
文章编号:
1001-7380(2015)02-0001-05
作者:
吴 静1; 郭同斌1*; 宋明辉1; 杜 伟1; 王虎诚1; 郭加忠2
1. 徐州市森林病虫防治检疫站,江苏 徐州 221009;
2. 高邮市京杭运河管理处,江苏 高邮 225600
Author(s):
WU Jing1;  GUO Tong-bin1*;  SONG Ming-hui1;  DU Wei1;  WANG Hu-cheng1;  GUO Jia-zhong2
1. Forest Pest Management and Quarantine Station of Xuzhou, Xuzhou 221009, China;
2. Gaoyou Administration Office of Grand Canal, Gaoyou 225600, China
关键词:
白蛾黑基啮小蜂;  杨小舟蛾;  种群数量;  变化规律
Keywords:
Tetrastichus nigricoxae Yang;  Micromelalopha troglodyta Graeser;  Population quantity;  Change rhythm
分类号:
S763; Q968
DOI:
10.3969/j.issn.1001-7380.2015.02.001
文献标志码:
A
摘要:
选择徐州市林果场、云龙区和新沂市等受杨小舟蛾危害较重的不同类型杨树林分的未放蜂区(CK)和放蜂区,分别测定白蛾黑基啮小蜂在自然和人工释放2种状态下的种群数量变化。结果表明,该蜂林间自然种群数量以越冬代最高,对杨小舟蛾越冬蛹的寄生率高达(22.2±5.8)%,极显著高于第1～4代蛹(3.4%～6.4%); 于越冬代和第2代害虫蛹期人工释放该蜂,释放后当代小蜂种群数量明显上升,可显著提高释放当代(越冬代和第2代)害虫蛹的寄生率,并对释放后各代害虫蛹具有一定的持续寄生效果; 各代小蜂室温下的羽化进度均与相应世代寄主蛹发育进度相吻合。
Abstract:
Experiments were made to determine population quantity of Tetrastichus nigricoxae Yang under nature and artificial releasing in the non-releasing and releasing areas of poplar plantation damaged by Micromelalopha troglodyta within Xuzhou Forestry Centre, Yunlong District and Xinyi City. The results showed that the population quantity of overwinter parasitoids was highest. The parasitism rate of overwinter M. troglodyta pupae was(22.2±5.8)%, significantly higher than those of first to fourth pupae(3.4%～6.4%). The population quantity of T. nigricoxae and parasitism rate of overwinter and second pupae were increased after releasingin overwinter and second generations of M. troglodyta. The continuous control effects of the parasitoids were found to next pest’s generations. The accumulative eclosion progress of all generations of adult T. nigricoxae corresponded with M. troglodyta pupation.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期:2015-03-15; 修回日期:2015-03-19
基金项目:江苏省“333工程”科研项目“人工繁殖与释放白蛾黑基啮小蜂等杨树害虫生物防治新技术”(BRA2010027)
作者简介:吴 静(1969- ),女,工程师,从事林业有害生物防治技术推广工作。 *通信作者:郭同斌(1967- ),男,博士,研究员级高级工程师。E-mail:gtb1101@163.com。
更新日期/Last Update: 2015-04-30