武昌油菜害虫的天敌研究     

宗良炳  钟昌珍  雷朝亮  朱子平 《中国生物防治》1986,(3)

武昌油菜害虫天敌有50种,其中捕食性天敌35种,以蜘蛛类为主,占48％;寄生性天敌15种,以蚜茧蜂和油菜潜蝇姬小蜂为主,寄生率分别为64.29％和60—80％  相似文献   

南美斑潜蝇及其寄生蜂消长规律   总被引：6，自引：0，他引：6  

罗开珺  陈宗麒  华秋瑾  谌爱东 《植物保护》2001,27(3):7-9

对云南省南美斑潜蝇及其主要寄生蜂潜蝇姬小蜂和潜蝇茧蜂的种群消长规律进行了研究。南美斑潜蝇在昆明关上菜区于 4、7、10月出现 3个高峰。潜蝇姬小蜂在春季蚕豆上种群数量较高 ,是控制南美斑潜蝇的主要蜂种。潜蝇茧蜂在秋季大棚内种群数量较高 ,是控制大棚南美斑潜蝇的主要蜂种。这两种寄生蜂对作物寄主有明显的选择性 ,潜蝇姬小蜂在春季的蚕豆、豌豆和芹菜上种群数量较高 ,潜蝇茧蜂在秋季的莴笋上种群数量较高  相似文献   

潜蝇姬小蜂幼虫空间分布型研究   总被引：1，自引：0，他引：1  

罗开珺陈宗麒  谌爱东 《昆虫天敌》2000,22(4):168-170

本文应用Iwao和Tayla’s回归模型以及6个聚集度指标(C、CA、M^*、M^8／m、I、K),对蚕豆田潜蝇姬小蜂幼虫的空间分布型进行了研究。测定结果属聚集分布,为田间调查及保护天敌提供了依据。  相似文献   

潜蝇姬小蜂研究概况   总被引：4，自引：0，他引：4  

谌爱东  陈宗麒  罗开珺 《云南农业大学学报(自然科学版)》2001,16(4):317-319

 介绍了斑潜蝇优势寄生蜂——潜蝇姬小蜂的生物学,在斑潜蝇防治中的应用及控害作用及农药对其的影响。  相似文献   

豌豆潜蝇姬小蜂对4种寄主植物上美洲斑潜蝇幼虫的选择性及适合度     

许三军  刘万学  万方浩  陶玫 《中国生物防治》2008,24(1):12-16

在室内研究了豌豆潜蝇姬小蜂对4种寄主植物上美洲斑潜蝇2龄末-3龄初幼虫的选择性和寄生蜂子代生长发育及存活情况。结果表明,豌豆潜蝇姬小蜂雌蜂对不同寄主植物具有选择性差异,对菜豆选择性最强,对番茄选择性最低,斑潜蝇被致死率和被寄生率分别为96.1%、71.4%和73.4%、52.1%;在4种寄主植物上,寄生蜂对寄主的寄生数与致死数比值无显著差异。寄生不同寄主植物上斑潜蝇幼虫的豌豆潜蝇姬小蜂从卵发育到成虫的历期存在差异,在黄瓜上历期最长,为10.21d;寄生蜂蛹期稍短于卵期与幼虫期之和;但寄生不同寄主植物上斑潜蝇幼虫的寄生蜂卵孵化率、幼虫存活率、羽化率无显著差异。  相似文献   

Development of an integrated pest management programme for cotton. Part 2: Integration of a lucerne/cotton interplant system,food supplement sprays with biological and synthetic insecticides     

R. K. Mensah 《国际虫害防治杂志》2013,59(2):95-105

Part 1 of the paper showed that the integration of a lucerne/ cotton interplant system with supplementary food sprays retained and increased populations of predatory insects in the cotton crop. The strategic use of biopesticides (Bacillus thuringiensis (Bt), nuclear polyhedrosis virus (NPV)) reduced the use of synthetic insecticides by 50% without sacrificing cotton yield and profitability. In economic terms, the average gross margin for the IPM plot was A$3255 compared with A$3020 and A$3218 for the plots treated with (1) conventional insecticides on transgenic (Ingard®) cotton and (2) conventional insecticides on non-transgenic cotton. The use of transgenic cotton affected a 25% saving on synthetic insecticide usage. The results clearly indicate that a refined IPM approach could have a distinctive advantages in terms of economic and environmental impacts on cotton production. The success of such an approach lies in a strict adherence to its methodology.  相似文献   

Biological control of the leafminer Liriomyza bryoniae by seasonal inoculative releases of Diglyphus isaea: simulation of a parasitoid-host system   总被引：3，自引：0，他引：3  

W. J. Boot  O. P. J. M. Minkenberg  R. Rabbinge  G. H. De Moed 《European journal of plant pathology / European Foundation for Plant Pathology》1992,98(3):203-212

A deterministic model was developed to simulate population growth of the agromyzid flyLiriomyza bryoniae and the parasitoidDiglyphus isaea. The model has two driving variables, ambient temperature and leaf nitrogen content of the tomato plant. Results of a glasshouse experiment were used to validate the model. The timing of successive generations of leafminers was simulated accurately over four generations. Population growth of leafminers was correctly simulated during the first two generations, but overestimated in the third generation. Mortality of leafminers due to parasitism was overestimated in the first generation after introduction of parasitoids: 73% instead of the observed 30%. A nearly 100% mortality of leafminers was correctly simulated in the second generation after introduction of parasitoids. Sensitivity analysis was performed for three types of variables: (1) driving variables, temperature and leaf nitrogen content; (2) parasitoid traits, searching efficiency and allocation of attacks to host feeding and oviposition, and (3) introduction strategies for biological control, timing, number of releases and number of parasitoids per release. Population growth was sensitive to temperature, leaf nitrogen content, searching efficiency of parasitoids and numbers of parasitoids released.  相似文献   

贝氏潜蝇姬小蜂的人工繁殖方法     

屈娟 《昆虫天敌》1997,19(3):138-139

贝氏潜蝇姬小蜂的人工繁殖方法屈娟（广东省深圳动植物检疫局５１８０１０）三叶草斑潜蝇（Ｌｉｒｉｏｍｙｚａｔｒｉｆｏｌｉ）是蔬菜、花卉上的重要害虫，其寄生范围达１００多种植物。１９７２年被欧洲和地中海植物保护组织（ＥＰＰＯ）列为检疫对象。由于三叶草斑潜蝇...  相似文献   

The parasitoid complex ofLiriomyza huidobrensis in cucumber greenhouses in Izmir province, Western Turkey     

Hasan Sungur Civelek  Zeynep Yoldaş  Phyllis Weintraub 《Phytoparasitica》2002,30(3):285-287

Liriomyza huidobrensis (Blanchard) (Diptera: Agromyzidae) is an important pest in cucumber greenhouses in Çamönü (Menderes, Izmir), Turkey. In a study carried out in cucumber greenhouses during the spring and autumn seasons of 1999 and 2000, leaves were sampled weekly and kept in the laboratory to observe and count emerging leafminers and parasitoid adults. Five parasitoid species were collected: the braconidsBracon intercessor Nees von Esenbeck andOpius meracus Fischer, which occurred only in the spring; and the eulophidsDiglyphus crassinervis Erdös,Diglyphus isaea (Walker) andNeochrysocharis formosa (Westwood), which occurred in both the spring and autumn seasons.D. isaea andN. formosa were the predominant parasitoid species found.O. meracus was recorded for the first time as a Turkish species andB. intercessor was recorded for the first time inL. huidobrensis.  相似文献   

美洲斑潜蝇外寄生蜂——贝氏潜蝇姬小蜂研究进展   总被引：3，自引：0，他引：3  

赵勇  李照会等 《昆虫天敌》2002,24(1):32-36

贝氏潜蝇姬小蜂是为害多种农作物的几种潜叶蝇类害虫的重要寄生蜂。作为一种重要生物防治因子，在北美和西欧的一些国家和地区已经进行商品化生产，用来防治蔬菜及观赏性花卉上的美洲斑潜蝇和三叶草斑潜蝇。为了对其有一个较全面的了解。本文详细的论述了贝氏潜蝇姬小蜂的寄主范围。生物学，饲养繁殖及化学杀虫剂对其影响的进展。  相似文献