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Volume 26 Issue 4
Nov.  2011
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CHEN Yi-xin, TIAN Hou-jun, WEI Hui, ZHAN Zhi-xiong, HUANG Yu-qing. A Simple Method for Identifying Sex of Plutella xylostella(Linnaeus)Larva, Pupa and Adult[J]. Fujian Journal of Agricultural Sciences, 2011, 26(4): 611-614.
Citation: CHEN Yi-xin, TIAN Hou-jun, WEI Hui, ZHAN Zhi-xiong, HUANG Yu-qing. A Simple Method for Identifying Sex of Plutella xylostella(Linnaeus)Larva, Pupa and Adult[J]. Fujian Journal of Agricultural Sciences, 2011, 26(4): 611-614.
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A Simple Method for Identifying Sex of Plutella xylostella(Linnaeus)Larva, Pupa and Adult

  • Institute of Plant Protection Fujian Academy of Agricultural Sciences, Fouzhou, Fujian 350013, China

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  • Received Date: May 18, 2011
  • Revised Date: July 03, 2011
    Graphical Abstract
    • Abstract
  • Based on the morphological appearances and descriptions in literature,a simple and convenient method for identifying the sex of diamondback moth(DBM),Plutella xylostella(Linnaeus),was developed.The results showed that the sex of the first-and second-instar larvae was not easily distinguishable by naked eyes or optical microscopic observation.However,the male third-and fourth-instar larva showed a lighter colored fifth abdominal segment than that on the female counterparts.On the male pupae,a lump on each side of a short,longitudinal slip was visible near the gonopore on the 9th abdominal segment.The female pupae had a long,longitudinal slip between the genital pore on the 8th abdominal segment and the oviporus on the 9th segment.The adult males had characteristic brown wings with a wavy edge on the posterior margin and a yorked abdominal end.The female adults,on the other hand,were lighter in color and bigger on body size than the males,and had their abdominal ends appeared round in shape.
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    • References (3)
  • TALEKAR N S, SHELTON A M.Biology, ecology,a nd management of the diamondback moth[J].Annual Review of Entomology,1993, 38: 275-301.
    王香萍,方宇凌,张钟宁. 小菜蛾对合成植物挥发物的活性反应[J]. 昆虫学报, 2005, 48(4):503-508.
    CHEN X D, NAKASUJI F.Diminished egg size in fenvalerate resistant strains of the diamondback moth Plutella xylostella(Lepidoptera : Yponomeutidae)[J].Applied Entomology and Zoology,2004, 39: 335-341.
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