| Autor: |
Kang JH; Korean Entomological Institute, Korea University, Seoul 02841, Korea., Yi DA; Research Center of Natural Monument Insects, Yeongwol Insect Museum, Yeongwol 26210, Korea., Kuprin AV; Federal Scientific Center of the East Asia Terrestrial Biodiversity, Far Eastern Branch of the Russian Academy of Sciences, 690022 Vladivostok, Russia., Han C; Wildlife Research Center, Korea University, Ogawa-chô, Kodaira City, Tokyo 187-0032, Japan., Bae YJ; Division of Environmental Science and Ecological Engineering, Korea University, Seoul 02841, Korea. |
| Jazyk: |
angličtina |
| Zdroj: |
Insects [Insects] 2021 Jun 15; Vol. 12 (6). Date of Electronic Publication: 2021 Jun 15. |
| DOI: |
10.3390/insects12060555 |
| Abstrakt: |
The longhorn beetle, Callipogon ( Eoxenus ) relictus Semenov, is the only remnant species found in the Palearctic region, while all other Callipogon species are distributed mainly in Central America and partly in South America. This species has been placed in the first category (as 'critically endangered') of the Red Data Book in Russia and designated as one of the top-priority target species among all endangered invertebrate species for restoration in South Korea since 2006. Although its restricted distribution in Northeast Asia with a high conservational value has been highlighted, genetic features of C. relictus from different geographic regions remain unexplored. We first investigated the level of genetic diversity and phylogeographic patterns of C. relictus to evaluate the current conservational status and the feasibility of the implementation of a restoration program. The average genetic divergence of mitochondrial gene COI based on Kimura-2-parameter distance among the four regions in Russia, China, North Korea, and South Korea was 2.2%, which lies within the range of intraspecific levels. However, two separate clades with 3.8% divergence were identified, despite no geographical clustering of haplotypes. The linear pattern of the haplotype network with a high level of haplotype and nucleotide diversities suggests that the wide range of currently fragmented populations might be the remnant of genetically diverse populations in the past. This study will provide crucial information on the genetic characteristics and phylogeographic history of C. relictus , which will help to establish conservation strategies for this cherished insect species in Northeast Asia. |
| Databáze: |
MEDLINE |
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