红棕象甲药剂防治试验

2006年针对红棕象甲的为害特点,对该虫进行药剂防治试验,找出了（1）80％敌敌畏EC600倍液;（2）20％亮甲EC800倍液;（3）35％赛丹EC800倍液;（4）5％锐劲特SC800倍液;（5）3．2％金色甲维盐氯ME1000倍液等5种配方,从植株心叶处往下浇灌药液,取得良好的防治效果,可大量杀死蛀入棕榈科植物茎杆为害的红棕象甲幼虫,对棕榈科植物安全,可在园林生产上推广使用。     

红棕象甲在上海地区适生性分析

红棕象甲是一种能对棕榈科植物造成十分严重危害的害虫,2005年曾一度在上海局部地区暴发,经过防治,又难觅踪迹。文章通过对红棕象甲的分布、生活习性、寄主植物、传播途径等因素进行了分析,确定红棕象甲是能在上海地区适生的。     

红棕象甲触角感器的超微结构

为明确红棕象甲成虫触角感器的超微结构?种类?数量和分布情况, 利用扫描电子显微镜观察雌雄成虫触角感器的外部形态特征?类型和分布?结果表明, 红棕象甲触角共有6种感器, 分别为刷形感器?簇状感器?毛形感器?刺形感器?芽孢形感器和叉形感器, 其中刷形感器和簇状感器分别有2种亚型, 毛形感器有3种亚型, 刺形感器有4种亚型?雌雄之间部分感器的着生位置和数量存在明显的性二型现象, 刺形感器Ⅲ型?刺形感器Ⅳ型以及叉形感器可能与雌虫寻找产卵场所时识别寄主挥发物有关?     

警惕外来危险性害虫红棕象甲入侵为害

红棕象甲Rhynchophorus ferrugineus Fab是为害棕榈科植物的危险性外来害虫。为警惕该虫的传入,本文对红棕象甲的分类地位、形态特征、分布、寄主、危害、生物学特性等作了简要介绍,并提出了预防建议。     

高危检疫害虫——红棕象甲的识别和防治

高危检疫害虫——红棕象甲随海枣等棕榈科植物传播并造成严重为害,且防治难度大。文章就其形态特征、为害特点和防治方法做了较为全面的介绍,以利于对该检疫害虫的防治。     

一株红棕象甲寄生真菌的分离鉴定

为明确一株红棕象甲寄生真菌的归属,采用形态学及分子生物学方法,从产孢表型、分生孢子特征和ITS序列测定等方面对其进行了分析鉴定。结果表明:该菌分生孢子梗粗短,顶端具2～5个瓶状小梗,分生孢子呈长椭圆形或圆柱形,大小为4.8～9.3μm×2.2～3.1μm;ITS通用引物扩增该菌得到了预期的558bp条带,其与金龟子绿僵菌小孢变种的支持率高达100%。因此,将该红棕象甲寄生真菌菌株鉴定为金龟子绿僵菌小孢变种Metarhiziumanisopliaevar.anisopliae。     

红棕象甲在江西省的风险性分析及防控管理对策

红棕象甲是我国检疫性害虫之一。该虫于2007年在江西省南昌、宜春、新余三地发现之后,近些年少有报道。为了评估红棕象甲在江西的潜在危险性,以制定科学的检疫对策。本文参照国际通用的有害生物风险分析方法,结合江西省气候资源,按照省内适生分布范围、潜在的危害性、传播扩散和定殖可能性、风险性管理难度等5个方面开展了该虫的风险性分析和综合评估。结果表明:红棕象甲在江西省的综合评估风险R值为2.20,属于高度危险性林业有害生物。并由此提出江西省红棕象甲的防控策略。这对于有效防止该有害生物在江西省的进一步扩散蔓延和监测防治具有一定的指导意义。     

昆明市呈贡区红棕象甲发生为害调查及防治对策

昆明市自2006年来大量引种了加纳利海枣,营造了优美的景观效果,但大量的红棕象甲虫害也随之入侵危害。本文通过调查分析了加纳利海枣在昆明市呈贡区的红棕象甲虫害的现状、危害情况,掌握了昆明市呈贡区红棕象甲的危害情况,针对昆明市呈贡区红棕象甲的危害,提出了防治措施。     

入侵害虫红棕象甲转移为害本土棕榈树的风险评估

为评估入侵害虫红棕象甲Rhynchophorus ferrugineus对本土农林生态系统的风险,于2016—2019年采用受害植株调查和成虫诱捕的方法跟踪监测该虫在加拿利海枣Phoenix canariensis引种点及周边1 600 m半径范围内本土棕榈Trachycarpus fortune上的发生情况,并对来自野外加拿利海枣与棕榈上的成虫形态及繁殖力进行比较。结果显示,红棕象甲可随加拿利海枣引种定植而入侵当地生态系统,当其在加拿利海枣上暴发成灾后,还能转移到周边棕榈上继续为害,红棕象甲为害致死的棕榈植株数随着引种植物死亡数的增加而增加。野外加拿利海枣与棕榈上红棕象甲成虫的体重、体长以及按雌雄1∶1配对交配后的产卵量、孵化率相当,但棕榈种群雌虫的翅展较加拿利海枣种群明显变短,表明红棕象甲转移取食本土棕榈后可成功定殖、建立种群,且适合度并未降低。雌虫翅展变短可能与该入侵种表型可塑性有关,反映出其对棕榈的快速适应与进化,表现为"前适应"策略。考虑红棕象甲成虫飞行能力强,建议调高棕榈分布省份该虫的风险预警等级、调整防控策略,开展跟踪监测以了解入侵地实情。     

温度对红棕象甲实验种群生长发育及繁殖的影响

红棕象甲Rhynchophorus ferrugineus(Olivier)是为害我国棕榈科植物的重要入侵害虫,为探明温度对该虫生长发育的影响,在室内设置19、22、26、30和33℃等5个温度梯度,观察各温度下红棕象甲的发育进度、存活率及生殖力,计算不同温度下实验种群参数。结果表明,19～30℃时,红棕象甲的发育历期随温度的升高而缩短,世代平均发育历期在19、22、26、30℃时分别为214.9、141.4、74.1、63.2天。世代发育起点温度和有效积温分别为14.2℃和1067.7日度。在22～33℃间,成虫的寿命随温度的升高而缩短,各温度下雄成虫寿命普遍比雌成虫长。单雌产卵量在26℃时最高,平均为267.8粒,19℃时最低,仅为30.5粒。26～30℃为红棕象甲最适宜生长发育温度范围,该范围内成虫繁殖力和种群内禀增长率(rm)最高。     

Current status of red palm weevil in Turkey

The red palm weevil Rhynchophorus ferrugineus (Olivier) is the most serious pest of palms in Turkey. Weevil infestation was first detected in Turkey in summer 2005 in parks and gardens of Mersin province, along the Mediterreanean coast of Turkey. Following the discovery of the pest, destruction of infested plant material, prophylactic insecticide chemical treatments, as well as adult weevil trapping were carried out on palm plantations. Traps containing a commercial aggregation pheromone were hung on palm trees at a high density, in order to monitor the pest infestation and reduce the weevil population by mass trapping. A significant decrease in the number of trapped beetles and destruction of infested plant material was observed in 2009 and continued in the following years in several cities in Turkey. Therefore, it has been observed that mass trapping and curative pesticide applications have played a significant role in the suppression of R. ferrugineus populations in palm plantations.     

Current status of red palm weevil infestation in date palm plantations in Israel

The red palm weevilRhynchophorus ferrugineus (Olivier) (RPW) is the most serious pest of date palms in the Middle East. Weevil infestation was first detected in Israel in the summer of 1999 in date plantations in the Jordan Valley, on the west bank of the Jordan River and in the northern area of the Dead Sea. For 2 years following the discovery of the pest, prophylactic insecticide chemical treatments as well as adult weevil trapping were carried out over 450 ha of date palm plantations. Traps loaded with a commercial aggregation pheromone, ferrugineol, supplemented with ethyl acetate and a fermenting mixture of dates and sugarcane molasses, were posted in high trap density (approx. ten traps per ha) in order to monitor weevil infestation and reduce the RPW population by mass trapping. A significant decrease in number of trapped beetles and infested trees was observed in 2001 and continued in the following years. No infested trees have been found since 2002, indicating a decrease in RPW population. The sex ratio of trapped adults during 3 years of study was significantly female-biased (∼2.5:1). Therefore, mass trapping might have played a significant role in the suppression of RPW populations in date plantations. http://www.phytoparasitica.org posting Dec. 19, 2004.     

Optimizing components of pheromone-baited trap for the management of red palm weevil,Rhynchophorus ferrugineus (Coleoptera: Curculionidae) in date palm agro-ecosystem

Journal of Plant Diseases and Protection - The red palm weevil (RPW), Rhynchophorus ferrugineus (Olivier), is managed in date palm groves, inter alia, with food-baited pheromone traps. Laboratory...     

北京地区发现外来危险性有害生物褐纹甘蔗象

北京地区2006年新发现一种严重危害棕榈科植物Arecaceae）的外来有害生物，经鉴定为国外传入的褐纹甘蔗象Rhabdoscelus lineaticollis（Heller）。该害虫主要为害海枣、蒲葵、大王椰子等棕榈科植物和甘蔗，在北京尚属首次报道。本文结合实验室饲养情况，简要介绍了该虫的分布与寄主、形态特征、生物学特性和危害特点，并提出了有针对性的防控策略。     

Research activities focused on management of red palm weevil at the UJI‐IVIA Associated Unit (Region of Valencia,Spain)

During the past 5 years, the Associated Unit between Institut Valencià d’Investigacions Agràries (IVIA) and Universitat Jaume I (UJI) has been working on the management of Rhynchophorus ferrugineus. The host status of Washingtonia filifera, Chamaerops humilis and Phoenix theophrasti was established, and complete resistance via antibiosis was described for W. filifera. A thermal constant (egg to adult) of 989.3 degree‐days has been established for R. ferrugineus when feeding in live P. canariensis. Based on this result, less than one annual generation is expected in areas with mean annual temperature below 15°C, and more than two if above 19°C. Assays on chemical control showed that a dose of 1.14 g aluminium phosphide m^?3 for 3 days is enough to kill all stages of R. ferrugineus in infested palms. The efficacies of imidacloprid and a microencapsulated paint containing chlorpyrifos and pyriproxyfen were also studied. Imidacloprid had high efficacies when applied as a drench either as a preventive or a curative treatment, whereas the paint was effective as a preventive treatment only. Biological control by use of entomopathogenic nematodes and fungi has been explored. Steinernema carpocapsae resulted in high efficacies when applied in a chitosan formulation. Beauveria bassiana also gave very good results, and new assays are under way to improve its use.     

Pests of the palm (Palmae sp.) and date palm (Phoenix dactylifera) determined in Turkey and evaluation of red palm weevil (Rhynchophorus ferrugineus Olivier) (Coleoptera:Curculionidae)

This paper covers the palm ( Palmae sp.) and date palm ( Phoenix dactylifera ) pests which were determined by studies conducted in Turkey between 1941 and 2006. In total 15 species have been found to date: 1 belonging to Coccidae, 9 to Diaspididae, 1 to Margarodidae and 2 to Pseudococcidae families of the order Homoptera and 1 species to Scarabaeidae and 1 to Curculionidae families of the order Coleoptera. Among these pests, red palm weevil ( Rhynchophorus ferrugineus Olivier) has caused a great deal of damage in recent years.