Proceedings of the National Institute of Ecology of the Republic of Korea

National Institute of Ecology (국립생태원)
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Identifying Potential Food Source through DNA Barcoding Analysis of Feces from Invasive Slug, Limax maximus (Linnaeus 1758) (Gastropoda: Pulmonata), in Republic of Korea

  • Received : 2024.07.05
  • Accepted : 2024.07.25
  • Published : 2024.08.01
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Abstract

Unintentional dispersal of organisms has explosively increased due to expansion of human activities. Among introduced organisms, some organisms are categorized as invasive species because of their effects on environmental risk, economic loss, and human health. In 2023, a leopard slug (Limax maximus) was reported in Suwon, Republic of Korea. This slug was designated as a potential invasive species because a wide range of plant species were identified as food sources for this slug in its original habitats. However, it is difficult to investigate the ecological risk of this newly introduced slug in Republic of Korea. Therefore, the potential ecological risk from this newly introduced slug was estimated by meta-genome analyses of its feces. Through meta-genome analyses, 22 Families, 28 Genera, and 26 Species of land plants were identified. Among these 26 identified plant species, six economically important crops - squash (Cucurbita maxima), tomato (Solanum lycopersicum), potato (Solanum tuberosum), cowpea (Vigna unguiculata), rice (Oryza sativa), and oriental melon (Cucumis melo) - were identified. Therefore, leopard slugs potentially could cause economic losses in Republic of Korea. Further study is required to build a control strategy against leopard slugs.

Keywords

Acknowledgement

This work was supported by a grant of "Nationwide Survey of Non-native species in Republic of Korea (NIE-A-2024-12)" funded by the National Institute of Ecology, Republic of Korea.

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