Korean journal of applied entomology (한국응용곤충학회지)

Korean Society of Applied Entomology (한국응용곤충학회)
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A Study on the Ovipositional Characteristics of Endangered Species Prosopocoilus astacoides blanchardi (Coleoptera: Lucanidae) for Indoor Mass-rearing

멸종위기종 두점박이사슴벌레의 실내 증식을 위한 산란 특성 연구

  • Ko, Gyeong Hun (Jeju Nature Park) ;
  • Kim, Dong-Soon (Major of Plant Resources Science and Environment, College of Agriculture & Life Sciences, SARI, Jeju National University)
  • 고경훈 (제주자연생태공원) ;
  • 김동순 (제주대학교 생명자원과학대학)
  • Received : 2021.10.30
  • Accepted : 2021.11.17
  • Published : 2021.12.01
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Abstract

The ovipositional characteristics of the endangered species Prosopocoilus astacoides blanchardi was investigated for indoor mass-rearing. This insect required 3 weeks or more for mating after emergence when introduced at the 1:1 ratio of male to female. Among temperatures studied at 16, 20, 24, 28, and 32℃, the pre-ovipositional period of P. astacoides blanchardi was longest at 16℃ with an average of 109 days after emergence, while it was shortest at 32℃ with an average of 59.4 days. The number of eggs laid at 24℃ was highest with an average of 40.6 per female. The average lifespan of adults at 16℃ was 208.8 days for males and 263.9 days for females, while at 32℃ 96.1 days for males and 130.3 days for females. The number of laid eggs was dependent on insect rearing chamber size. The oviposition-trees did not significantly (P > 0.05) affect the number of laid eggs and ovipositional period. The results of this study could be used as rearing data for the restoration and mass propagation of the endangered species P. astacoides blanchardi.

본 연구는 멸종위기종 두점박이사슴벌레의 인공 증식을 위한 산란 특성을 구명하기 위해 수행되었다. 우화 후 3개월이 지난 두점박이사슴벌레 성충은 암수 비율이 1: 1 일 때 3주 이상의 교미 기간이 필요하다. 실험 처리온도 16, 20, 24, 28, 및 32℃ 중에서 산란전기간은 16℃에서 우화 후 109일로 가장 길었으며, 32℃에서 우화 후 평균 59.4일로 가장 짧았다. 산란수는 24℃에서 암컷 한마리당 평균 40.6개로 가장 많았다. 성충의 평균 수명은 16℃에서 수컷 208.8일, 암컷 263.9일로 가장 길었으며, 32℃에서 수컷 96.1일, 암컷 130.3일로 가장 짧았다. 산란 용기 크기에 따른 두점박이사슴벌레의 산란수는 용기가 클수록 많았다. 사육 시 산란목 설치가 산란수와 산란기간에 크게 영향을 미치지 않았다. 본 연구의 결과는 멸종위기종 두점박이사슴벌레의 복원과 대량 증식을 위한 기초 자료로써 활용될 수 있을 것이다.

Keywords

Acknowledgement

Part of this study was conducted with research grants provided by Jeju Nature Park. We are grateful to Sustainable Agriculture Research Institute (SARI) in Jeju National University for providing the experimental facilities.

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