Visual cues for the host-finding and mating locations of Monochamus alternatus （Coleoptera：Cerambycidae）
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摘要: 在野外诱捕试验中，使用相同的诱芯，测试了4种不同颜色诱捕器对松墨天牛Monochamus alternatus的引诱效果。其中黑色和棕色诱捕器引诱效果显著高于对照灰白色，而绿色诱捕器引诱效果最差，显著低于对照。这表明，在松墨天牛的野外远距离寄主定位过程中，视觉因素起到了重要的作用，黑色和棕色提高了引诱效果，而绿色抑制了引诱效果。在室内交配定位试验中，当松墨天牛的复眼被涂黑处理之后，雌雄抱对交配的成功率降低为50.7%，显著低于对照健康组的成功率（93.3%）。当松墨天牛触角被切除之后，抱对交配成功率为72.3%，同样显著低于对照。而将天牛的复眼涂黑并且切除触角之后，抱对交配的成功率仅为26.7%。视觉因素在天牛近距离交配定位过程中发挥着重要的作用。图2参24Abstract: In order to explore the role of the visual factors，for Monochamus alternatus （Coleoptera：Cerambycidae） four treatments of field traps （black，brown，green，and graycontrol） were tested. The mating behavior was observed after M. alternatus visual organ compound eyes and olfaction were treated. Results showed that the black and brown traps were stronger than the gray （control） traps （P＜0.05）；but the green traps were weaker than the control（P＜0.05）. In mating behavior assays，after the compound eyes were treated，the percentage of mating success decreased to 50.7% compared to the control which had an average of 93.3%. Also，the proportion of mating success after treating olfaction （antenna were cutting down） averaged 72.3%，which was lower than the control（P＜0.05）. With both vision and olfaction treated，the proportion of mating success averaged 26.7%，also lower than the control （P＜0.05）. This indicated that visual cues over short distances were very important in the mating behavior of M. alternatus.［Ch，2 fig. 24 ref.］
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https://zlxb.zafu.edu.cn/article/doi/10.11833/j.issn.2095-0756.2012.04.021
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