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Pakistan Journal of Biological Sciences
  Year: 2003 | Volume: 6 | Issue: 13 | Page No.: 1125-1129
DOI: 10.3923/pjbs.2003.1125.1129
 
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Effectiveness of Lufenuron (CGA-184699) and Diofenolan (CGA-59205) on the General Body Metabolism of the Red Palm Weevil, Rhynchophorus ferrugineus (Curculionidae:Coleoptera)

K.S. Ghoneim, A.G. Al-Dali and A.A. Abdel-Ghaffar

Abstract:
In the present study, prepupae of the red palm weevil Rhynchophorus ferrugineus were topically treated with a dose of 1.0, 0.1 or 0.01 μg Lufenuron or Diofenolan / insect. The main body metabolites, carbohydrates, proteins and lipids, were determined during the pupal stage. The lowest dose of Lufenuron or Diofenolan caused a gradual decrease in carbohydrate content, but the highest and medium doses induced a reciprocal V-shaped trend in this metabolite throughout the pupal life. The higher two dose-levels of Diofenolan and all dose-levels of Lufenuron, induced such trend in protein content of pupae. The available results indicated a greater reducing action on protein content of Lufenuron than of Diofenolan. In connection with the lipids, the higher two dose-levels of each acylurea suppressed and then stimulated, the content of this metabolite along the pupal stage. In other words, these IGRs reduced the lipid content at the two limits of the pupal stage, but enhanced the pupae to lipid increments at almostly the mid-stage.
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How to cite this article:

K.S. Ghoneim, A.G. Al-Dali and A.A. Abdel-Ghaffar , 2003. Effectiveness of Lufenuron (CGA-184699) and Diofenolan (CGA-59205) on the General Body Metabolism of the Red Palm Weevil, Rhynchophorus ferrugineus (Curculionidae:Coleoptera). Pakistan Journal of Biological Sciences, 6: 1125-1129.

DOI: 10.3923/pjbs.2003.1125.1129

URL: https://scialert.net/abstract/?doi=pjbs.2003.1125.1129

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