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<p>Iran’s strategic geographic position, its historical role in major trade routes such as the Silk Road, and its proximity to plague-endemic regions have repeatedly exposed it to plague outbreaks. The most recent documented epidemic occurred in 1966 in Sarab, East Azerbaijan Province. Historically, these outbreaks have significantly influenced demographic patterns, socioeconomic structures, and political developments. In response, extensive research has been conducted to investigate the diversity of <i>Yersinia pestis</i>-vectoring fleas (Siphonaptera) in Iran, resulting in the identification of 119 species and subspecies across diverse ecological zones. Despite these efforts, a comprehensive, up-to-date, and user-friendly set of morphological identification keys—covering taxa from superfamily to subspecies level—has been limited to outdated or regionally restricted resources. The present study addressed this critical gap by presenting fully illustrated dichotomous keys for Iranian fleas, based on detailed morphological characteristics of both male and female adults. High-resolution images, accompanied by precise annotations, emphasize diagnostic features essential for distinguishing sibling species and other morphologically similar taxa. The primary objective of this work is to enhance the accuracy of flea taxonomy and to strengthen surveillance and control programs targeting flea-borne diseases, particularly in Iran’s plague-endemic areas.</p>

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Fully illustrated morphological keys to the fleas (Siphonaptera) of Iran from superfamily to subspecies level

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2026年7月7日

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  • Shahin Seidi,
  • Naseh Maleki-Ravasan,
  • Roya Namaki-Khameneh,
  • Ehsan Mostafavi,
  • Mehdi Assmar,
  • Fateh Karimian,
  • Abbasali Raz,
  • Anne Laudisoit

摘要

Iran’s strategic geographic position, its historical role in major trade routes such as the Silk Road, and its proximity to plague-endemic regions have repeatedly exposed it to plague outbreaks. The most recent documented epidemic occurred in 1966 in Sarab, East Azerbaijan Province. Historically, these outbreaks have significantly influenced demographic patterns, socioeconomic structures, and political developments. In response, extensive research has been conducted to investigate the diversity of Yersinia pestis-vectoring fleas (Siphonaptera) in Iran, resulting in the identification of 119 species and subspecies across diverse ecological zones. Despite these efforts, a comprehensive, up-to-date, and user-friendly set of morphological identification keys—covering taxa from superfamily to subspecies level—has been limited to outdated or regionally restricted resources. The present study addressed this critical gap by presenting fully illustrated dichotomous keys for Iranian fleas, based on detailed morphological characteristics of both male and female adults. High-resolution images, accompanied by precise annotations, emphasize diagnostic features essential for distinguishing sibling species and other morphologically similar taxa. The primary objective of this work is to enhance the accuracy of flea taxonomy and to strengthen surveillance and control programs targeting flea-borne diseases, particularly in Iran’s plague-endemic areas.