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  • 标题:Pheromonal advertisement of a nuptial gift by a male moth (Utetheisa ornatrix).
  • 本地全文:下载
  • 作者:D E Dussourd ; C A Harvis ; J Meinwald
  • 期刊名称:Proceedings of the National Academy of Sciences
  • 印刷版ISSN:0027-8424
  • 电子版ISSN:1091-6490
  • 出版年度:1991
  • 卷号:88
  • 期号:20
  • 页码:9224-9227
  • DOI:10.1073/pnas.88.20.9224
  • 语种:English
  • 出版社:The National Academy of Sciences of the United States of America
  • 摘要:Male Utetheisa ornatrix produce a courtship pheromone (hydroxydanaidal) that they derive from systemic pyrrolizidine alkaloid of plant origin. Pheromone titers in males correlate with systemic levels of alkaloid and with the quantity of alkaloid transmitted to the female at mating. The male's emission of pheromone during courtship may therefore communicate his possession of protective alkaloids and his capacity to provision the female. By mating preferentially with males endowed with hydroxydanaidal, females may ensure their acquisition of an alkaloidal gift for use in egg defense.
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