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孙渔稼  张兆义 《昆虫学报》1989,32(3):350-354
刺槐谷蛾Hapsifera barbara(Christoph)在中国为新记录。七十年代初,在山东部分刺槐林内发生成灾。幼虫蛀食刺槐树干和主枝皮层,受害部位膨大变形,严重者整株枯死。鉴于国内首次发现并造成危害,我们于1971—1973年对成虫形态、生物学及防治方法进行了研究。经英国谷蛾科专家G.S.Robinson博士鉴定为鳞翅目、谷蛾科Tineidae, Hapsifera barbata(Christoph)(孙渔稼,1984)。 国内分布于山东,辽宁等省;国外分布于苏联远东,日本本州、四国。 日本森内茂博士将其视做朽木昆虫,末见有危害健康林木的报道。七十午代初,在山东省泰安市徂徕山林场、宁阳县高桥、中皋和部分社队林场刺槐林发生成灾。幼虫主要危  相似文献   

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水蜡蛾属一新种(鳞翅目:水蜡蛾科)   总被引:1,自引:0,他引:1  
水蜡蛾属一新种(鳞翅目:水蜡蛾科)张秀荣,杨集昆中国人民解放军农牧大学农学农机系,吉林省长春市130062北京农业大学昆虫系,北京市100094关键词水蜡蛾科,水蜡蛾属,新种本文记述了陕西省镇安和河南省灵宝等地的水蜡蛾属1新种,模式标本保存在北京农业...  相似文献   

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蝠蛾属一新种(鳞翅目:蝙蝠蛾科)   总被引:7,自引:2,他引:5  
傅善全  黄天福 《昆虫学报》1991,34(3):362-363
本文记述了采自四川省康定县的蝙蝠蛾科蝠蛾属一新种,模式标本存放于四川省中药研究所。 贡嘎蝠蛾 Hepialus gonggaensis Fu et Huang 新种(图1—2)  相似文献   

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对华北落叶松鞘蛾和兴安落叶松鞘蛾的形态特征进行了研究,与容易混淆的欧洲落叶松鞘蛾进行了比较。更正了兴安落叶松鞘蛾的学名,肯定了华北落叶松鞘蛾的分类学地位,并进行了重新描述。文中提供了以上3种落叶松鞘蛾的成虫、雌雄外生殖器等特征图,给出了它们的区别要点。  相似文献   

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报道了水蜡蛾科Brahmaeidae的2新种:全斑水蜡蛾Brahmidia totimacula sp.nov.和中华水蜡蛾Brahmophthalma sinica sp.nov.。模型标本保存在中国人民解放军农牧大学植保教研室标本室。  相似文献   

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本文记述了河南省小石蛾属1新种──钩突小石蛾Hydroptilahamistyla,sp.n.模式标本保存在河南农业大学植物保护系昆虫标本室。  相似文献   

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记录了采自天津的1新种郑氏金羽蛾Agdistis zhengi sp.nov. (图1 -3)。该种分布于天津,与直钩金羽蛾A.uncirectangula Hao & Li(图4)相似,但可以通过以下特征与后者区别:爪形突的左侧一支端部近圆形深凹,两侧顶端尖,均向外侧弯曲;抱器背臂整体看起来象鹅的头部;阳茎基环两叶,小而不明显;囊形突大,近环带状,末端圆;第8腹板末端突起的形状和位置与后者不一致等。文中给出了新种成虫图,以及雌雄外生殖器特征图。模式标本保存在南开大学生命科学学院昆虫标本室。 新种以著名昆虫学家郑哲民教授的姓氏命名。  相似文献   

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沈发荣  周又生 《昆虫学报》1997,40(2):198-201
本文记述蝠蛾属Hepialus二新种,模式标本保存于中国科学院昆明动物研究所。双带辐蛾HepialusbibelteusShenetZhou,新种(图1~4)雄性:体长Ic.5mm,翅展3O.5mm。雌性:体长20.Omm,翅展4O.smm。复眼黑色,触角丝状,像短小可见,下唇须短3节,周围多毛;前胸背板黄色,中胸背板,腹部至腹末端深褐色,在翅中部有一个由小黑点环围呈椭圆形斑文,翅近外线处有二条黑带;前翅Clip脉近基部及近端有二横脉和A脉相连,A脉伸达翅缘,后翅深褐色,CtJP脉赤长,前足有胜距,各足爪弯曲’‘,””,雄性外生殖器见图1。瓣钩有小齿,抱器…  相似文献   

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1 Conjoint comparisons were made between trap captures of male diamondback moths, Plutella xylostella (L.), and gas chromatographic measures of sex pheromone emissions from grey and red rubber septa. The objective was to correlate trap captures with emissions. 2 Irrespective of their composition, all mixtures that were released from grey septa effected the capture of more males than the same mixtures released from red septa. There was no difference between captures by any of the mixtures when emitted from grey septa. However, when emitted from red septa, a nominal 50 : 50 ratio of (Z)-11-hexadecenal (Z11–16:Al) and (Z)-11-hexadecenyl acetate (Z11–16:Ac) effected the capture of more males than either nominal 70 : 30 or 67 : 23 ratios. Generally, the emitted ratios of Z11–16:Al and Z11–16:Ac from both types of septa were variable, ranging between 6 : 10 to about 40 : 10. 3 No statistical correlation was found between the emissions and trap captures by any single component, group or ratio of components. These results suggest that the environment substantially affects the emission of sex pheromone components from rubber septa. As a result, the demonstration of geographical biotypes of diamondback moths and other insects may be difficult.  相似文献   

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小菜蛾合成性信息素田间诱蛾活性   总被引:10,自引:0,他引:10  
本文介绍了应用小菜蛾Plutclla xylostella合成性信息素,顺-11-十六碳烯醛和顺-11-十六碳烯乙酸酯以及增效成份顺-11-十六碳烯醇的天然橡胶诱芯,于1982年和1983年在北京郊区和苏州郊区进行田间诱蛾试验。顺-11-十六碳烯醛和顺-11-十六碳烯乙酸酯的比例为5:5,另加入10%的顺-11-十六碳烯醇制成50微克的诱芯,诱蛾效果最高,超过5头活雌蛾。按以上成份比例和载置,含有1%或5%的反式异构体时,诱蛾效果低于纯顺式异构体,但仍有很强的诱蛾话性。当反式异构体含量为1.5%时,诱蛾效果相当于3头活雌蛾。用以上3种成份,纯顺式或含有1.5%反式异构体,制成的诱芯在北京郊区和苏州郊区于春季或秋季均可测出蛾高峰,可有效地用于虫情测报。  相似文献   

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We discovered that extracts of the female sex pheromone gland of the carpenterworm moth Isoceras sibirica Alpheraky, a pest of Asparagus officinalis Linn., contained (Z)-7-tetradecen-1-ol (Z7-14:OH), (Z)-9-tetradecen-1-ol (Z9-14:OH), (Z)-7-tetradecenyl acetate (Z7-14:Ac), (Z)-9-tetradecenyl acetate (Z9-14:Ac), and (Z)-9-hexadecadecenyl acetate (Z9-16:Ac). The average levels of the chemicals in a single sex pheromone gland of a calling moth were (0.71 +/- 0.24) ng, (1.42 +/- 0.44) ng, (4.36 +/- 0.32) ng, (8.71 +/- 0.26) ng, and (0.82 +/- 0.38) ng, respectively. The electroantennography (EAG) analysis of these chemicals and their analogues demonstrated that Z9-14:Ac triggered significantly the male EAG response. Traps with rubber septa lure impregnated with Z9-14:Ac (500 microg/septum), Z7-14:Ac (250 microg/septum), and Z9-16:Ac (50 microg/septum) were more effective in catching male moths than traps with other baits or virgin females. Addition of Z7-14:OH and Z9-14:OH to rubber septa did not enhance the efficiency of the trap.  相似文献   

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The efficacy of synthetic female sex pheromone lures for Crocidolomia pavonana (Fabricius) (Lepidoptera: Crambidae) in the cabbage fields of Java and Bali, Indonesia, was investigated by varying the composition and dosage of the components. The lure containing a synthetic pheromone blend of (Z)-11-hexadecenyl acetate (Z11–16: Ac) and (Z)-9-tetradecenyl acetate (Z9–14: Ac) at a 10:1 ratio acquired significantly more male catches than single component lures and the control lure. Meanwhile, no attraction was observed when lures with 1:1 and 1:10 blends were tested. The composition of Z11–16: Ac and Z9–14: Ac at a ratio of 5, 10 and 20:1 attracted more males than the control lures. Dosage studies showed that 0.055 and 0.55 mg of a mixture of Z11–16: Ac and Z9–14: Ac (10:1 ratio) attracted more males than the control. These results are the first demonstration of the efficacy of synthetic pheromone for C. pavonana in field conditions. The present study suggests the feasibility of pheromone-based monitoring as a simple and low-cost technique for integrated pest management of this pest.  相似文献   

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马尾松毛虫性信息素在不同类型诱芯中的稳定性   总被引:7,自引:0,他引:7  
高伟  赵成华  施再喜 《昆虫学报》2001,44(2):213-220
顺5,反7-十二碳二烯醇、顺5,反7-十二碳二烯乙酸酯和顺5,反7-十二碳二烯丙酸酯是马尾松毛虫Dendrolimus punctatus性信息素的主要成分。为研究如何减少上述共轭二烯信息素成分中的几何构型异构化和氧化的发生,作者制备了几种不同剂型的诱芯并进行了田间诱蛾试验。与常用的天然橡胶诱芯相比,诱芯中加入抗氧化剂(topanol CA)、提高性信息素的纯度、每5天重新更换诱芯及将载体换为硅橡胶等处理均不能明显提高诱芯的诱蛾效果,然而载体为复合橡胶(氯化丁基橡胶和天然橡胶的混合体)的诱芯诱蛾效率比天然橡胶诱芯提高了1倍以上。田间试验后,用毛细柱气相色谱对不同类型诱芯中残留的信息素及其异构体的分析结果显示:复合橡胶诱芯中只有12%~16%的不同信息素成分发生了异构化,而在天然橡胶诱芯中此值高达69%~87%。而且前者中信息素及其异构体的剩余量是后者的4倍。这些结果表明,复合橡胶诱芯之所以具有较高的诱效,主要由于在这种诱芯中,共轭二烯信息素更稳定,释放速率较为缓慢且均匀。  相似文献   

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The behavioural significance of (Z)-9-tetradecenal to male H. assulta was tested by comparing the number of moths attracted to lures containing a standard synthetic female sex pheromone with lures in which (Z)-9-tetradecenal was also added. The standard pheromone mixture used contained 1000 g (Z)-9-hexadecenal, 50 g (Z)-11-hexadecenal, 300 g (Z)-9-hexadecenyl acetate and 15 g (Z)-11-hexadecenyl acetate impregnated on rubber septa. Addition of (Z)-9-tetradecenal to the standard pheromone was shown to significantly reduce the caught of male H. assulta when added in amounts greater than 10 g or 1% of the major pheromone component in both field and net-house experiments. The reduction in catch was found to be dependent on the quantity of (Z)-9-tetradecenal added to the standard pheromone. The implications of these results on conspecific and inter-specific pheromone-mediated communication in H. assulta and related sympatric heliothine species is discussed.Abbreviations Z9-16:AL (Z)-9-hexadecenal - Z11-16:AL (Z)-11-hexadecenal - Z9-16:AC (Z)-9-hexadecenyl acetate - Z11-16:AC (Z)-11-hexadecenyl acetate - Z9-14:AL (Z)-9-tetradecenal - Z9-16:OH (Z)-9-hexadecen-1-ol - Z11-16:OH (Z)-11-hexadecen-1-ol - RH relative humidity  相似文献   

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吴才宏 《昆虫学报》1993,36(4):385-389
本文用单细胞电反应的记录方法,测定了棉铃虫Heliothis armigera Hubner雄蛾触角的毛形感器对其性信息素组分及雌蛾腹部提取物的反应,发现顺-11-十六碳烯醛和顺-9-十六碳烯醛能引起反应。对前者发放大脉冲,对后者发放小脉冲,对雌蛾腹部提取物发放大、小两种脉冲,但以大脉冲为主。  相似文献   

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用性信息素诱剂防治烟青虫的效果   总被引:11,自引:1,他引:10  
本文研究了两个烟青虫性信息素诱剂配方对烟青虫Helicoverpaassulta (Guen e)成虫的诱杀效果及诱杀成虫后田间烟青虫幼虫的虫口减退率和有虫株减退率。 1型诱芯配比为Z9 1 6 :Ald与Z1 1 1 6 :Ald 1 0 0∶9 5 ;Ⅱ型诱芯配比为 1 6 :Ald和Z9 1 6 :Ald与Z1 1 1 6 :Ald( 1 9 3∶1 0 0∶70 )。结果表明 :烟青虫性信息素诱剂Ⅰ ,Ⅱ型诱芯对烟青虫成虫都有很强的诱杀效果 ,在长达 85d的时间内 ,5个Ⅰ型诱芯共诱杀了4 0 4头雄性成虫 ,5个Ⅱ型诱芯共诱杀 4 1 9头 ,二者没有明显的差异。诱蛾地烟青虫幼虫的虫口密度和有虫株率都有明显的降低 ,Ⅰ、Ⅱ型诱芯使虫口密度和有虫株率的降低幅度均在 6 6 6 7%~ 90 91 %之间。性信息素诱剂使用方便、无毒、不污染环境 ,对烟叶不产生药害 ,防治效果良好 ,具有良好的应用前景。  相似文献   

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枣镰翅小卷蛾雄蛾对性信息素的行为反应   总被引:3,自引:1,他引:2  
在风洞中观察了枣镰翅小卷蛾Ancylis sativa雄蛾对合成性信息素不同组分(E9-12∶Ac和Z9-12∶Ac)的行为反应。E9-12∶Ac组分能够引起少量雄蛾(8-3%)完成从兴奋到接触诱芯并呈现交配企图的全部行为反应,而雄蛾对Z9-12∶Ac组分无反应。E9-12∶Ac+Z9-12∶Ac混合物中前者占60%~65%效果最好,能使71.7%~76.7%雄蛾到达诱芯并呈现交配企图。E9-12∶Ac与Z9-12∶Ac为6.5∶3.5时,200 ng~2 000 ng的剂量效果最好,有76.7%~81.7%雄蛾到达诱芯。  相似文献   

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淡剑袭夜蛾性信息素活性成分的鉴定和田间诱蛾研究   总被引:5,自引:1,他引:4  
Wei H  Du J 《应用生态学报》2003,14(5):730-732
提取和鉴定了淡剑袭夜蛾(Sidemia depravata)的性信息素主要组分,并进行了田问试验.结果表明,雌蛾性腺体提取物中主要性信息素组分为顺-9-十四碳烯醇醋酸酯(29-14:Ac)和顺-9,反-12-十四碳烯醇醋酸酯(Z9E12-14:Ac)。在这2种化合物配制的二元组份诱芯中,以Z9-14:Ac/Z9E12-14:Ac=5/5和6/4比例配制成的诱芯诱蛾效果较好,田间诱蛾量显著高于以1:9、2:8和3:7比例配制的诱芯。  相似文献   

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