针叶小爪螨—寄主植物—芬兰钝绥螨相互关系的研究 Ⅰ.针叶小爪螨对寄主植物和芬兰钝绥螨对猎物的嗅觉反应  

STUDIES ON THE INTERRELATIONSHIP AMONG OLIGONYCHUS UNUNGUIS HOST PLANTS AND AMBLYSEIUS FINLANDICUS Ⅰ The olfactory responses of Oligonychus ununguis to host plants and Amblyseius finlandicus to preys

作　　者：孙绪艮[1] 尹淑艳[1] 李波[2] 

机构地区：[1]山东农业大学林学院,泰安271018 [2]山东省泰安市林业局,泰安271000

出　　处：《林业科学》2002年第1期76-81,共6页Scientia Silvae Sinicae

基　　金：山东省自然科学基金;山东农业大学科学基金资助项目

摘　　要：用Y形嗅觉仪测定了针叶小爪螨对其寄主植物 ,芬兰钝绥螨对针叶小爪螨的选择行为。结果表明 :针叶小爪螨对未受害的麻栎叶、栓皮栎叶和板栗叶都表现出较强的趋性 ,对槲树叶虽然也有趋性 ,但趋向程度不如前三者强 ,而松针和云杉对其有较强的忌避作用 ;用同一寄主植物的未受害叶片和除螨受害叶片测定时 ,则明显趋向于未受害叶片 ;而用同一寄主植物的除螨受害叶片和带螨受害叶片测定时 ,则喜欢选择带螨受害叶片。寄主植物受害与否以及有无叶螨存在 ,显著影响芬兰钝绥螨的趋性。芬兰钝绥螨对未受叶螨危害和受叶螨危害的寄主植物叶片均有趋性 ,但对后者的趋性反应更为强烈 。The choice behaviors of Oligonychus ununguis to host plants and Amblyseius finlandicus were determined with a Y tube olfactometer. Result showed that the spruce spider mites were attracted by the odors from the leaves of Quercus acutissima Carr., Quercus variabilis Bl., Castanea mollissima BL. and Quercus dentata Thunb. uninfested by Oligonychus ununguis. But the odors from the leaves of Q.dentata were less attactive to the spider mites than those from Q.acutissima,Q.variabilis and C.mollissima. The needle leaves odors of Pinus tabulaeformis Caff. and Picea koraiensis Nakai were repulsive to the spider mites. When the uninfested leaves and infested leaves with O. ununguis of the same host plant were compared in the olfactometer, the spider mites showed an obvious preference to odors released from the infestd leaves. The spider mites showed a greater preference to the infested leaves with spider mites and their products than to the infested leaves from which all the spider mites and their products had been removed. The host plants infested or not, the infested host plants with spider mites or without had significant influence on the taxis of A.finlandicus. A. finlandicus could be attracted by the odors from uninjured leaves and injured leaves by O.ununguis. But it showed a greater preference to the latter than to the former. There was a significant difference between the response of A.finlandicus to the infested leaves with spider mites and their products and to the infested leaves without spider mites or their products.

关 键 词：针叶小爪螨 寄主植物 芬兰钝绥螨 嗅觉反应 相互关系 天敌 寄主选择机理 

分 类 号：Q968[生物学—昆虫学] S433.7[农业科学—农业昆虫与害虫防治]