Behavioral changes of powderpost beetle, Lyctus africanus Lesne (Coleoptera: Bostrichidae): responses on female extract
Behavioral changes of powderpost beetle, Lyctus africanus Lesne (Coleoptera: Bostrichidae): responses on female extract
复制标题
粉甲虫，Lyctus africanus Lesne（鞘翅目：Bostrichidae）的行为变化：对雌性提取物的反应
DOI：
10.1088/1755-1315/374/1/012022
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发表时间：
2019
期刊：
影响因子：
--
通讯作者：
Yoshimura Tsuyoshi
中科院分区：
文献类型：
--
作者：
Kartika Titik;Shimizu Nobuhiro;Yoshimura Tsuyoshi
非洲粉蚧（Lyctus africanus）是热带地区常见的木材害虫。害虫通过将木材转化为粉状的残渣来破坏木材。受害木材是由L.将含淀粉的木质部分磨成粉末状的非洲木。在Lyctus出现的出口孔中形成的粉末状形式是活跃侵扰的指示。然而，在延迟期可以检测到粪便的存在。发展防止Lyctus进入木材是至关重要的，以减少损失。定期监测Lyctus侵扰，作为化学通讯实践，导致害虫控制系统中的绿色技术。研究结果表明，褐天牛的化学通讯主要是雄性褐天牛体内的信息素。相比之下，雌性粗提物未观察到引诱行为。在这项研究中，观察了Lyctus雌性粗提物对甲虫行为的活性。提取物来自己烷，将新出现的雌性甲虫清洗24小时。通过GC-MS的化学分析表明，在母原油提取物中烃类化合物占主导地位。烃类馏分在SiO2柱中以正己烷为溶剂进行提纯.然后，在培养皿法中监督化合物对雄性和雌性甲虫的偏好性测试。偏好性测试结果表明，雌性和雄性甲虫的排斥行为。此外，纯化的化合物增加了Lyctus甲虫的排斥行为。这种碳氢化合物被认为是雌性甲虫的一种特殊化合物，它改变了Lyctus甲虫的行为。
Powderpost beetle, Lyctus africanus, is a common dry wood pest in the tropical region. The insect pest damages wood by converting the wood into powdery frass. The damaged wood is created by larvae of L. africanus which digests the starchy wood part into powdery form. The powdery form developed in exit holes from which Lyctus emerges is an indicator of an active infestation. However, the presence of frass could be detected in the delayed period. Developing prevention of Lyctus entrance into the wood is crucial to minimize the losses. Monitoring the Lyctus infestation regularly, as chemical communication practice, leads to green technology in the pest control system. The chemical communication in Lyctus beetle was identified as the pheromone detected in male Lyctus beetle. In contrast, the female crude extract was observed to show none of the attractant behavior. In this study, the activity of female crude extract of Lyctus on the behaviour of the beetle was observed. The extract was from hexane washed of newly emerged female beetle for 24 h. Chemical analysis by GC-MS indicated dominancy of hydrocarbon compounds in the female crude extract. Purification of the hydrocarbon fraction was then conducted in SiO 2 column with hexane solvent. Then, a preference test of the compounds against both male and female beetle was supervised in the Petri dish method. Result of the preference test indicated a repulsion behavior of both female and male beetles. Furthermore, the purified compound increased the repulsion behavior of Lyctus beetle. The hydrocarbon is suggested as a specific compound of female beetle which alters the behaviour of Lyctus beetle.
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DOI：
--
发表时间：
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期刊：
影响因子：
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