International Journal of Industrial Entomology and Biomaterials

Korean Society of Sericultural Science (한국잠사학회)
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Bigger females, more eggs: the impact of female body weight on egg-laying ability in Protaetia brevitarsis seulensis (Kolbe)

  • Jeong-Hun Song (Industrial Insect and Sericulture Division, Department of Agricultural Biology, National Institute of Agricultural Sciences) ;
  • Seonghyun Kim (Industrial Insect and Sericulture Division, Department of Agricultural Biology, National Institute of Agricultural Sciences) ;
  • Gyu-Dong Chang (Industrial Insect and Sericulture Division, Department of Agricultural Biology, National Institute of Agricultural Sciences)
  • Received : 2023.04.03
  • Accepted : 2023.06.13
  • Published : 2023.06.30
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Abstract

One of the necessary conditions for the mass production of the edible insect, the white-spotted flower chafer Protaetia brevitarsis seulensis (Kolbe), is to breed a strain with excellent egg-laying ability. To identify external morphological traits related to egg-laying ability, we investigated the effects of the weight, length, and width of female adults on egg production. Correlation and multiple regression analyses revealed a positive correlation between the weight of female adults and egg production. This study suggests that selection of heavier females is a good strategy for breeding strains with superior egg-laying characteristics. The results of this study will serve as important foundational data for future breeding of superior strains.

Keywords

Acknowledgement

The initial experiments for this study were designed by the late Dr. Seonghyun Kim, a former agricultural researcher at the National Institute of Agricultural Sciences. We would like to honor Dr. Kim for his contributions to this research, and extend our heartfelt thanks for his guidance and insights, which were instrumental in shaping the direction of this study. Additionally, we would like to express our gratitude to Ms. Mi-Yeon Song (Department of Agricultural Biology, National Institute of Agricultural Sciences, Korea) for their valuable assistance in rearing and conducting experiments on the white-spotted flower chafer. This work was carried out with the support of "The Cooperative Research Program for Agriculture Science and Technology Development (Project No. RS-2021-RD009647)" Rural Development Administration, Republic of Korea.

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