A preliminary phylogenetic analysis of ribbed-pine-borer (Rhagium inquisitor) based on mitochondrial COI sequences |
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| Affiliation: | 1. Insect Biosystematics Laboratory, Research Institute of Agriculture and Life Science, Department of Agricultural Biotechnology, Seoul National University, 151-921, South Korea;2. 207-404, Dogok Rexle Apt., 221, Seolleung-ro, Gangnam-gu, Seoul, South Korea;3. Gangseo High School, Mok-dong 735, Yangcheon-gu, Seoul, South Korea;1. Palaeobotany-Palynology Laboratory, Department of Botany, Sidho-Kanho-Birsha University, Ranchi Road, Purulia 723104, India;2. Presidency University, 86/1, College Street, Calcutta University Road, Kolkata, West Bengal 70073, India;3. CAS Key Laboratory of Tropical Forest Ecology, Xishuangbanna Tropical Botanical Garden, Chinese Academy of Sciences, Mengla 666303, PR China;4. School of Environment, Earth and Ecosystem Sciences, The Open University, Milton Keynes MK7 6AA, UK;5. Entomology Laboratory, Department of Zoology, Kalyani University, Kalyani, Nadia, West Bengal 741235, India;6. Centre of Advanced Study, Department of Botany, University of Calcutta, 35, B.C. Road, Kolkata 700019, India;1. College of Natural Resources and Life Science, Dong-A University, Busan 49315, Republic of Korea;2. OK Bio Lab, Seongnam 13207, Republic of Korea;1. College of Geography and Environmental Planning, University of Sistan and Baluchestan, Zahedan, Iran;2. Department of Plant Protection, College of Agriculture and Natural Resources, University of Tehran, Iran |
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| Abstract: | The increased volume of intercontinental-trade had facilitated the distribution of species, including invaders. Wooden packaging materials, goods and timber are being transported via international ports in East of the Marmara Basin, where has vast forests. That forests provide an appropriate-mediator for the introduction and invasion of wood-boring insects, which are the most common group being transported between continents. One of them is Rhagium inquisitor, which has a pivotal role in wood decay, nevertheless, it is detrimental for industrial wood.We analyzed the 654 bp length of cytochrome c oxidase I (COI) gene, to determine native and introduced haplotypes of the ribbed-pine-borer, to investigate their phylogenetic relationships and possibly cryptic speciation of the morphospecies.It was found out that sixteen haplotypes were divided into five haplogroups. The groups were assembled on two main lineages: Eurasian and American. The genetic distance between the American (Groups 1–3), Asian (Group-4) and European (Group-5) clusters ranged from 3 to 10%; between haplotypes ranged from 0.2 to 10.9%. The distances between the specimens of the Marmara Basin (H9-12, Group-4) were lower compared to H16, which nested in Group-5. That haplotype was sampled on imported timber and was found out that it is shared between France, Germany, Italy, and Austria. Maximum Likelihood, Neighbor-Joining and Bayesian Inference trees showed the same topologies, and Median-Joining network also supported them.Contrary to the usual, our findings point out that some species might have been introduced from Europe to Asia. Furthermore, the high genetic diversity of the bark-runner between continents could be a sign of cryptic-allopatric speciation. |
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| Keywords: | Allopatric speciation Barcoding Cryptic speciation Insect introduction the Marmara Basin |
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