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<p>This study reports on the first documented case of <i>Amblyomma rotundatum</i> ticks, a species typically found in the Americas, parasitising an imported toad in Poland. A total of 12 ticks were collected from a single <i>Rhinella marina</i> toad. These ticks were identified as female specimens of <i>A. rotundatum</i> using an examination of morphological characteristics and a molecular analysis. Polymerase chain reaction testing revealed that 75.0% (9/12) of these females were positive for <i>Rickettsia</i> spp. Sequencing of positive samples confirmed the presence of <i>R.</i><i> bellii.</i> However, no DNA evidence of <i>Borrelia</i> spp. and <i>Anaplasma</i> spp. was detected in the tested ticks. Nevertheless, given the limited number of tick specimens collected from a single host, further research is required to elucidate the pathogen profile of a tick species. This finding represents the second European report of <i>A. rotundatum</i> associated with exported animals, underscoring the importance of vigilance in monitoring the potential spread of ticks and tick-borne pathogens through the global wildlife trade.</p>

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First European record of Rickettsia bellii in Amblyomma rotundatum from Rhinella marina imported to Poland

  • 期刊论文

  • 发表日期：

    2025年3月12日

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  • Dagmara Dyczko,
  • Dominik M. Szymański,
  • Dawid Szymański,
  • Maciej Kupczak,
  • Krzysztof Kolenda

摘要

This study reports on the first documented case of Amblyomma rotundatum ticks, a species typically found in the Americas, parasitising an imported toad in Poland. A total of 12 ticks were collected from a single Rhinella marina toad. These ticks were identified as female specimens of A. rotundatum using an examination of morphological characteristics and a molecular analysis. Polymerase chain reaction testing revealed that 75.0% (9/12) of these females were positive for Rickettsia spp. Sequencing of positive samples confirmed the presence of R. bellii. However, no DNA evidence of Borrelia spp. and Anaplasma spp. was detected in the tested ticks. Nevertheless, given the limited number of tick specimens collected from a single host, further research is required to elucidate the pathogen profile of a tick species. This finding represents the second European report of A. rotundatum associated with exported animals, underscoring the importance of vigilance in monitoring the potential spread of ticks and tick-borne pathogens through the global wildlife trade.