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<p>The odonate diversity of the Himalayan region is less explored providing ample opportunities for additional species records and biogeographical studies. We surveyed odonates in three districts covering different urbanization gradients of the Sikkim Himalaya, India, during April–October 2024. Through extensive field work and data collected from 42 permanent transects, we documented a total of 28 species of dragonflies and 24 species of damselflies from the study area. Among this, 11 species of odonates comprising three zygopterans and eight anisopterans were new geographical records for Sikkim Himalaya which otherwise were not known from the region till date. Additionally, we also provide details of all these 11 species such as key identification characteristics, global distribution, habitat types, etc. Our findings have augmented the diversity of odonate fauna of Sikkim from 82 to 93 species. This study has enhanced our understanding of the distribution of odonate in the Eastern Himalaya while underscoring the importance of comprehensive and long-term research to better comprehend the odonate diversity in this region.</p>

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Additional New Records of Dragonflies and Damselflies (Insecta: Odonata) from Sikkim Himalaya, India

  • 期刊论文

  • 发表日期：

    2026年3月10日

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  • Neera Rawat,
  • Kumarapuram Apadodharanan Subramanian,
  • Bhoj Kumar Acharya

摘要

The odonate diversity of the Himalayan region is less explored providing ample opportunities for additional species records and biogeographical studies. We surveyed odonates in three districts covering different urbanization gradients of the Sikkim Himalaya, India, during April–October 2024. Through extensive field work and data collected from 42 permanent transects, we documented a total of 28 species of dragonflies and 24 species of damselflies from the study area. Among this, 11 species of odonates comprising three zygopterans and eight anisopterans were new geographical records for Sikkim Himalaya which otherwise were not known from the region till date. Additionally, we also provide details of all these 11 species such as key identification characteristics, global distribution, habitat types, etc. Our findings have augmented the diversity of odonate fauna of Sikkim from 82 to 93 species. This study has enhanced our understanding of the distribution of odonate in the Eastern Himalaya while underscoring the importance of comprehensive and long-term research to better comprehend the odonate diversity in this region.