Genetic diversity of Halyomorpha halys (Hemiptera, Pentatomidae) in Korea and comparison with COI sequence datasets from East Asia, Europe, and North America

Authors

  • Wonhoon Lee Department of Plant Medicine and Institute of Agriculture & Life Science, Gyeongsang National University, Jinju 52828, Republic of Korea;
  • Roberto Guidetti Department of Life Sciences, University of Modena and Reggio Emilia, via G. Campi 213/d, 41125, Modena, Italy;
  • Michele Cesari Department of Life Sciences, University of Modena and Reggio Emilia, via G. Campi 213/d, 41125, Modena, Italy;
  • T D Gariepy Southern Crop Protection and Food Research Centre, Agriculture and Agri-Food Canada, London, Ontario N5V 4T3, Canada
  • Yong-Lak Park Entomology Program, Division of Plant and Soil Sciences, West Virginia University, Morgantown, West Virginia 26506, USA;
  • Chang-Gyu Park National Institute of Agricultural Sciences

Keywords:

Brown marmorated stink bug, genetic diversity, haplotype, mitochondrial cytochrome oxidase I,

Abstract

Abstract

The brown marmorated stinkbug, Halyomorpha halys, is an invasive insect pest in North America and Europe that attacks crop species and causes substantial economic damage. To evaluate the genetic diversities and distributions of different H. halys populations in East Asia, North America, and Europe, COI sequences obtained from 79 new specimens from Korea and 10 from the USA were compared with 725 existing COI sequences. In total, 45 haplotypes were detected in populations from 10 countries. Sixteen haplotypes from Korea (H34–H49) and 2 from the USA (H50 and H51) were novel. Korean populations exhibited the 2nd highest diversity among the 10 countries, with only Greece exhibiting higher diversity. Haplotype H22 was prominent in Korea, H1 was prominent in China, Greece, Hungary, Italy, Canada, and USA, and H3 was prominent in France and Switzerland. Of the 18 haplotypes found in Korea, 1 was shared with China (H2) and 1 with Greece (H22). Haplotype diversity patterns showed that Korean populations were genetically distinct from populations in China, Europe, and North America. This suggested that populations in Europe and North America arose through multiple invasions from China and that (with the exception of Greece), Korean populations did not spread to other countries. This study represents a comprehensive analysis of H. halys populations in Korea and places these populations in a global context that includes other native populations in East Asia and invasive populations in Europe and North America.


Resumo

El chinche marmorino café Halyomorpha halys es un insecto plaga invasor de América del Norte y Europa que ataca a las especies de cultivos y causa importantes daños económicos. Para evaluar la diversidad genética y las distribución de diferentes poblaciones de H. halys en Asia Oriental, América del Norte y Europa, se compararon las secuencias de COI obtenidas de 79 nuevos especímenes de Corea y 10 de EE. UU. con 725 secuencias de COI existentes. En total, se detectaron 45 haplotipos en poblaciones de 10 países. Seis haplotipos de Corea (H34-H49) y dos de los EE.UU. (H50 y H51) fueron nuevos. Las poblaciones coreanas exhibieron la segunda mayor diversidad entre los 10 países, con sólo Grecia exhibiendo una mayor diversidad. El haplotipo H22 fue prominente en Corea, H1 fue prominente en China, Grecia, Hungría, Italia, Canadá y los EEUU, y H3 fue prominente en Francia y Suiza. De los 18 haplotipos encontrados en Corea, uno fue compartido con China (H2) y uno con Grecia (H22). Los patrones de diversidad de haplotipos mostraron que las poblaciones coreanas son genéticamente distintas de las poblaciones de China, Europa y Norteamérica. Esto sugiere que las poblaciones en Europa y América del Norte surgieron a través de múltiples invasiones de China y que (con la excepción de Grecia), las poblaciones coreanas no se esparcieron a otros países. Este estudio representa un análisis exhaustivo de las poblaciones de H. halys en Corea y coloca a estas poblaciones en un contexto global que incluye otras poblaciones nativas de Asia Oriental y poblaciones invasoras en Europa y América del Norte.

 

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Published

2018-04-24

Issue

Vol. 101, No. 1 (March 2018)

Section

Research Papers

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