[Ethyl 4-methyloctanoate, major component of male pherome in Oryctes rhinoceros (L.) (Coleoptera, Dynastidae)].

J P Morin, D Rochat, C Malosse, M Lettere, R D de Chenon, H Wibwo, C Descoins
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Abstract

Ethyl 4-methyloctanoate, which has already been described in Oryctes monoceros, has been identified, using extracts of effluvia collected from males, as being a major component of the male pheromone of O. rhinoceros. Field trials have been carried out in North Sumatra, Indonesia. Ethyl 4-methyloctanoate synthesized in the laboratory and released at 10 mg/d resulted in the capture of 6.8 insects per week per trap, whereas ethyl chrysanthemate (40 mg/d), an allelochemical compound once used as an attractant, only led to the capture of 0.3 insects, and the control none at all. The insects captured with the pheromone were 81% females, the majority being sexually mature. Discovery of this compound opens up new prospects for O. rhinoceros control.

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[4-甲基辛酸乙酯,角犀牛雄性信息素的主要成分[鞘翅目,朝科]。
4-甲基辛烷酸乙酯,已经在单角犀牛中被描述,已经被确定为犀牛雄性信息素的主要成分。在印度尼西亚北苏门答腊岛进行了实地试验。实验室合成的4-甲基辛烷酸乙酯以10毫克/天的剂量释放,每周每个陷阱捕获6.8只昆虫,而菊花乙酯(40毫克/天),一种曾经用作引诱剂的化感化合物,只捕获0.3只昆虫,而对照组则没有捕获昆虫。被信息素捕获的昆虫81%为雌性,以性成熟昆虫居多。该化合物的发现为犀牛的防治开辟了新的前景。
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Working memory Goethe and the ABC model of flower development. COOH-terminal truncated human cardiac MyBP-C alters myosin filament organization. What to expect from MRI in the investigation of the central nervous system? Proceedings of the International Symposium on Vaccinology. Paris, France, 18-20 November 1998.
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