Some new findings on the endophilic vector tick Ixodes hexagonus in Germany |
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| Institution: | 1. tick-radar GmbH (Berlin, Germany);2. Bundeswehr Institute of Microbiology (Munich, Germany);1. Service de pharmacie – CHU Besancon, France;2. Service de maladies infectieuses et tropicales, CHU Besancon, France;3. UMR-CNRS 6249 Chrono-environnement, Université Bourgogne Franche-Comté, Besançon 25000, France;1. Division of Veterinary Parasitology, Faculty of Veterinary Sciences and Animal Husbandry, Sher-e-Kashmir University of Agricultural Sciences and Technology of Jammu, Ranbir Singh Pura 181 102, India;2. Department of Veterinary Parasitology, College of Veterinary Science, Guru Angad Dev Veterinary and Animal Sciences University, Ludhiana 141 004, India;1. School of Life Sciences, Biological Sciences, College of Agriculture, Engineering and Science, University of KwaZulu-Natal, Westville Campus, Durban, South Africa;2. School of Nursing and Public Health, Department of Public Health Medicine, University of KwaZulu-Natal, Durban, South Africa;3. Geography Department, Faculty of Science and Engineering, Bindura University of Science Education, Bag 1020, Bindura, Zimbabwe;4. One Health Center for Zoonoses and Tropical Veterinary Medicine, Ross University School of Veterinary Medicine, Basseterre, St. Kitts, West Indies;1. Department of Preventive Veterinary Medicine and Animal Science, School of Veterinary Medicine, University of São Paulo, São Paulo, SP, Brazil;2. Department of Pathology, Theriogenology and One Health, São Paulo State University “Julio de Mesquita Filho” (UNESP), Jaboticabal, SP, Brazil;3. Department of General and Applied Biology, Institute of Biosciences, São Paulo State University “Julio de Mesquita Filho” (UNESP), Rio Claro, SP, Brazil;4. Luiz de Queiroz College of Agriculture (ESALQ), University of São Paulo, São Paulo, SP, Brazil;5. Postgraduate Program on Animal Science, Pontifical Catholic University of Paraná (PUCPR), Curitiba, PR, Brazil;1. Department of Disease Control, Faculty of Veterinary Medicine, Hokkaido University, Sapporo 060-0818, Japan;2. Department of Advanced Pharmaceutics, Faculty of Veterinary Medicine, Hokkaido University, Sapporo 060-0818, Japan;3. Hokkaido Institute of Public Health, 060-0819, Sapporo, Hokkaido, Japan;4. National Institute of Infectious Diseases, Toyama, Shinjuku-ku, 162-8640, Japan;5. Laboratório Integrado de Bioquímica Hatisaburo Masuda and Laboratório Integrado de Morfologia, NUPEM-UFRJ, Macaé, RJ, Brazil;6. Centro de Biotecnologia, Universidade Federal do Rio Grande do Sul, Porto Alegre, RS, 91501-970, Brazil |
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| Abstract: | The authors of the present study received a number of hard ticks (Acari: Ixodidae) from different regions of Germany in 2018?2021. In most cases, the ticks were removed from pet dogs or cats. In one case, engorged and detached ticks were found in a house, and it was unclear how they had gained entrance. Morphological examination revealed that all the specimens (n = 18, larvae, nymphs, and adults) were hedgehog ticks, Ixodes hexagonus. Morphological identification for two larvae was confirmed by 16S rRNA gene amplification. These two larvae were also examined for tick-borne encephalitis virus RNA, but were found to be negative. In a previous, unreported study by one of the authors, which commenced in the late 1980s, it was observed that unfed larvae of I. hexagonus were extremely long-lived. They were still alive 5 years after the engorged female had detached from the host when maintained at a moderate temperature under controlled not too warm laboratory conditions (constant 15 °C, 91% relative humidity, and darkness). |
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