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Experimental investigation of the life history of Chrysochroa coreana (Coleoptera: Buprestidae) via nondestructive computed tomography method

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  • URLhttps://db.koreascholar.com/Article/Detail/433084
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한국응용곤충학회 (Korean Society Of Applied Entomology)
초록

The biggest jewel beetle in Korea, Chrysochroa coreana, has been nominated as the Natural Monument No. 496 and also classified as Category I of Endangered Species by the Red Data Book. Due to the invisible feature of a saproxylic larval hood inside the host tree for years, the whole life history was hitherto been unknown to the academic world. In order to clarify the period of larval-hood and record images of the process of the final stage of emergence, we obtained sample eggs from two mated couples of adults that emerged from a dead tree of Celtis sinensis on Wando Island, which is well-known as the habitat of C. coreana. Larvae were hatched on four pieces of timber (Celtis aurantiaca) in July 2018 and kept in a growth chamber under the conditions of 25°C, 65% humidity, and in a 12-hour light/dark cycle. The development of larvae was monitored via the non-destructive C/T method every month. Six adults were emerged between February and March 2024. As a result, we obtained the fact that the larval period of C. coreana is minimum 66 months (5.5 years) under lab conditions.

저자
  • Dae-Am Yi(Research Center of Natural Monument Insects, Yeongwol, Korea, Yeongwol Insect Museum, Yeongwol, Korea)
  • Jung-Sam Kim(Mokpo Science University, Department of Radiological Technology, Mokpo, Korea)
  • Sung-Woo Jeon(Research Center of Natural Monument Insects, Seoul National University, College of Agriculture and Life Sciences, Seoul, Korea)
  • Yong-Un Shin(Cultural Heritage Administration, Department of Natural Heritage, Daejoen, Korea)