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Touray M, Bakirci S, Ulug D, Gulsen SH, Cimen H, Yavasoglu SI, Simsek FM, Ertabaklar H, Ozbel Y, Hazir S. Arthropod vectors of disease agents: their role in public and veterinary health in Turkiye and their control measures. Acta Trop 2023; 243:106893. [PMID: 37004805 DOI: 10.1016/j.actatropica.2023.106893] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2023] [Revised: 03/08/2023] [Accepted: 03/10/2023] [Indexed: 04/03/2023]
Abstract
Mosquitoes, sandflies, and ticks are hematophagous arthropods that pose a huge threat to public and veterinary health. They are capable of serving as vectors of disease agents that can and have caused explosive epidemics affecting millions of people and animals. Several factors like climate change, urbanization, and international travel contribute substantially to the persistence and dispersal of these vectors from their established areas to newly invaded areas. Once established in their new home, they can serve as vectors for disease transmission or increase the risk of disease emergence. Turkiye is vulnerable to climate change and has experienced upward trends in annual temperatures and rising sea levels, and greater fluctuations in precipitation rates. It is a potential hotspot for important vector species because the climate in various regions is conducive for several insect and acari species and serves as a conduit for refugees and immigrants fleeing areas troubled with armed conflicts and natural disasters, which have increased substantially in recent years. These people may serve as carriers of the vectors or be infected by disease agents that require arthropod vectors for transmission. Although it cannot be supposed that every arthropod species is a competent vector, this review aims to (1)illustrate the factors that contribute to the persistence and dispersal of arthropod vectors, (2)determine the status of the established arthropod vector species in Turkiye and their capability of serving as vectors of disease agents, and (3)assess the role of newly-introduced arthropod vectors into Turkiye and how they were introduced into the country. We also provide information on important disease incidence (if there's any) and control measures applied by public health officials from different provinces.
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Affiliation(s)
- Mustapha Touray
- Department of Biology, Faculty of Science, Aydin Adnan Menderes University, Turkey.
| | - Serkan Bakirci
- Department of Parasitology, Faculty of Veterinary Medicine, Aydin Adnan Menderes University, Turkey
| | - Derya Ulug
- Department of Biology, Faculty of Science, Aydin Adnan Menderes University, Turkey
| | - Sebnem H Gulsen
- Department of Biology, Faculty of Science, Aydin Adnan Menderes University, Turkey
| | - Harun Cimen
- Department of Biology, Faculty of Science, Aydin Adnan Menderes University, Turkey
| | | | - Fatih M Simsek
- Department of Biology, Faculty of Science, Aydin Adnan Menderes University, Turkey
| | - Hatice Ertabaklar
- Department of Parasitology, Faculty of Medicine, Aydin Adnan Menderes University, Turkey
| | - Yusuf Ozbel
- Department of Parasitology, Faculty of Medicine, Ege University, Turkey
| | - Selcuk Hazir
- Department of Biology, Faculty of Science, Aydin Adnan Menderes University, Turkey; Department of Biotechnology, Saveetha School of Engineering, Saveetha Institute of Medical and Technical Sciences (SIMATS), Chennai 602105, Tamil Nadu India
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Direct and Indirect Role of Migratory Birds in Spreading CCHFV and WNV: A Multidisciplinary Study on Three Stop-Over Islands in Italy. Pathogens 2022; 11:pathogens11091056. [PMID: 36145488 PMCID: PMC9505975 DOI: 10.3390/pathogens11091056] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2022] [Revised: 09/12/2022] [Accepted: 09/13/2022] [Indexed: 11/16/2022] Open
Abstract
The annual movements of migratory birds can contribute to the spread of African ticks and tick-borne pathogens of potential public health concern across Europe. The aim of the study was to investigate their role in the possible introduction of African ticks and tick-borne pathogens into European countries during spring migration. A total of 2344 ticks were collected during three spring seasons from 1079 birds captured on three Italian stop-over islands during their northbound migration. Once identified, each tick was tested by RT-PCR for the presence of Crimean-Congo hemorrhagic fever (CCHFV), West Nile (WNV), and Usutu (USUV) viruses. Moreover, carcasses of birds found dead were collected and tested for the possible presence of WNV and USUV. Results confirmed a higher contribution of trans-Saharan migrants compared to intra-Palearctic ones and the prevalence of African tick species in the sample. CCHFV was detected for the second time in Italy in a Hyalomma rufipes, and WNV was found in two ticks of the same genus, all carried by trans-Saharan birds. WNV lineage 1 was also found in the organs of a Garden warbler. These results confirm the role of migratory birds in carrying African ticks, as well as viruses of zoonotic importance, from Africa into Europe.
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Bedouhene A, Kelanemer R, Medrouh B, Kernif T, Saidi F, Tail G, Ziam H. Seasonal Dynamics and Predilection Sites of Ticks (Acari: Ixodidae) Feeding on Cows in the Western Parts of the Djurdjura, Algeria. FRONTIERS IN TROPICAL DISEASES 2022. [DOI: 10.3389/fitd.2022.856179] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
The present study aimed to determine the phenology and predilection sites of ticks infesting cattle in the western region of Djurdjura (North Algeria) from November 2018 and October 2020. Nineteen cattle farms located in thirteen localities within four provinces were visited monthly for two years. Among the 289 examined cattle, 64.36 ± 2.81% (n=189) were infested by ticks. Of the 10,243 collected ticks, the most abundant tick species was Rhipicephalus bursa (31.57 ± 0.46%), followed by R. annulatus (31.26 ± 0.45%), Hyalomma marginatum (10.67 ± 0.30%), H. lusitanicum (7.02 ± 0.25%), H. excavatum (5.52±%0.22), H. scupense (4.27 ± 0.19%) and H. impeltatum (3.32 ± 0.17%). Ticks of the Hyalomma species were present throughout the year but in a limited number during the winter. H. scupense and H. impletatum showed similar activity from March to October and peaked in April and July, respectively (P<0.001). H. lusitanicum and H. excavatum were active from April to November and both peaked in September and October respectively. Rhipicephalus bursa was collected from April to August and R. annulatus from July to October. R. turanicus was active between April and June. Hyalomma genus had an affinity of attachment for the inguinal region (P<0.001). All parasitic stages of R. annulatus had an affinity for the necks (P<0.001). Nymphs of R. bursa prefer the neck (P<0.001), the adults attach to the perennial and inguinal regions (P<0.001). R. turanicus attach to the ears (P<0.001). As far as we know, this is the first study on the phenology and predilection sites of cattle ticks in the west region of Djurdjura in Algeria.
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Monthly infestation characteristics of ticks on cattle in Thrace, a Crimean Congo hemorrhagic fever-endemic area of Turkey. Parasitol Res 2021; 120:3395-3404. [PMID: 34480201 DOI: 10.1007/s00436-021-07244-2] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2020] [Accepted: 07/09/2021] [Indexed: 10/20/2022]
Abstract
The first etiologically confirmed cases of Crimean-Congo hemorrhagic fever (CCHF) in humans were detected in Turkey in 2002. Since then, thousands of cases have been reported from different parts of the country. Hyalomma (Hy.) marginatum is considered the main vector tick of CCHFe in Turkey, and the primary infection route for humans is known to be the tick bite. This study was carried out between January 2013 and December 2014 in Thrace, Turkey, to determine monthly prevalence and intensity of tick infestation in cattle and, ultimately, to predict the related risk of human exposure to ticks and tick-borne diseases. During the study, 1,701 cattle in 24 villages were screened for ticks; 24,012 adult ticks, 1,887 nymphs, and 766 larvae were encountered on 1,228 of these cattle. On the 1,318 cattle that routinely grazed in the daytime, Hy. marginatum was the most predominant species, with an infestation prevalence of 73.6% and an average tick intensity of 16.1 on the infested cattle. In order of prevalence (%) in the grazing cattle, Hy. marginatum was followed by Rhipicephalus (R.) bursa (32.7%), R. turanicus (%29.5), Ixodes (I.) ricinus (15.1%), Haemaphysalis (Ha.) parva (10.4%), Ha. inermis (10%), Ha. punctata (6.5%), and Dermacentor (D.) marginatus (2.3%). The obtained data were discussed in terms of the infestation characteristics of the observed tick species, the drivers that may affect these characteristics, and the features of possible relationship between Hy. marginatum infestation in the cattle and CCHF cases among humans in the area.
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Okely M, Anan R, Gad-Allah S, Samy AM. Hard ticks (Acari: Ixodidae) infesting domestic animals in Egypt: diagnostic characters and a taxonomic key to the collected species. MEDICAL AND VETERINARY ENTOMOLOGY 2021; 35:333-351. [PMID: 33452827 DOI: 10.1111/mve.12502] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/07/2020] [Revised: 11/20/2020] [Accepted: 12/10/2020] [Indexed: 05/10/2023]
Abstract
Ticks are important vectors of emerging health problems in humans and animals. We conducted several field surveillances to investigate the fauna of hard ticks on domestic animals in seven governorates of Egypt during 2018-2019. A total of 3265 individual tick specimens were collected and identified to the species level; the specimens belong to 11 species within three genera (Amblyomma, Hyalomma, and Rhipicephalus). Tick infestation was highest in dromedary camels (70%), followed by dogs (52.5%), cattle (50%), buffaloes (38%), and horses (12%). Ten species were collected from dromedary camels, 2 from cattle, and one species from dogs, buffaloes, and horses. Diagnostic characters with high-quality photographic images of the 11 tick species were provided. New measurements of the body regions such as spiracles and body grooves were also obtained to provide further details on morphological variations among the diverse tick species. This study provided detailed descriptions of the genital apertures of five Hyalomma species. Morphological variations of male Hyalomma impeltatum, and genital apertures of female Hyalomma dromedarii and Hyalomma excavatum were also examined in this study. Finally, we provided additional details on local geographic distributions, hosts, endemicity status, and disease relationships of the eleven tick species.
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Affiliation(s)
- M Okely
- Entomology Department, Faculty of Science, Ain Shams University, Abbassia, Cairo, Egypt
| | - R Anan
- Entomology Department, Faculty of Science, Ain Shams University, Abbassia, Cairo, Egypt
| | - S Gad-Allah
- Entomology Department, Faculty of Science, Ain Shams University, Abbassia, Cairo, Egypt
| | - A M Samy
- Entomology Department, Faculty of Science, Ain Shams University, Abbassia, Cairo, Egypt
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A molecular phylogenetic investigation of tick species in Eastern and Southeastern Anatolia. Ticks Tick Borne Dis 2021; 12:101777. [PMID: 34371304 DOI: 10.1016/j.ttbdis.2021.101777] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2021] [Revised: 05/12/2021] [Accepted: 06/12/2021] [Indexed: 11/22/2022]
Abstract
Understanding the local tick species composition is crucial for overcoming the diseases they transmit. A comprehensive survey integrating molecular identification was conducted in the eastern and southeastern parts of Turkey, where tick surveys have previously been neglected. A total of 596 specimens belonging to four tick genera were collected from 27 localities in Turkey during the summers of 2019 and 2020. Seventy-seven representative individuals were chosen for molecular analysis. Nine distinct species, Rhipicephalus bursa, Rhipicephalus turanicus, Rhipicephalus rossicus, Hyalomma asiaticum, Hyalomma excavatum, Hyalomma marginatum, Hyalomma aegyptium, Haemaphysalis sulcata, and Dermacentor marginatus were identified. The presence of R. rossicus was demonstrated for the first time in Turkey. Two lineages of R. turanicus were identified, and representatives of both lineages were recorded. Our Hyalomma phylogenetic tree was consistent with previous findings from Turkey; however, new sympatric areas for Hy. marginatum and Hy. excavatum and Hy. marginatum and Hy. asiaticum were recorded. Two haplotypes (Haemaphysalis sp. and Dermacentor sp.) could not be identified using morphological and molecular methods. In addition to making a valuable contribution to the molecular database of ticks in the Middle East, this study will also stimulate comparative studies on the genetic structure, ecology, and vector competence of different populations of these species in Turkey as well as in other parts of the world.
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Keskin A, Erciyas-Yavuz K. Ticks (Acari: Ixodidae) Parasitizing Passerine Birds in Turkey With New Records and New Tick-Host Associations. JOURNAL OF MEDICAL ENTOMOLOGY 2019; 56:156-161. [PMID: 30169689 DOI: 10.1093/jme/tjy151] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/07/2018] [Indexed: 06/08/2023]
Abstract
In 2016 spring and autumn migration seasons, 7,992 birds belonging to 83 species, 51 genera, 34 families, and 12 orders were examined for tick (Acari: Ixodidae) infestation in the Kızılırmak Delta, Samsun, Turkey. A total of 1,229 (649 larvae, 536 nymphs, 40 females, 4 males) ticks were collected from 349 (4.36%) birds belonging to 33 (39.75%) species within 16 families in the order Passeriformes. Nine tick species were identified belonging to the family Ixodidae, namely Haemaphysalis concinna Koch, Haemaphysalis punctata Canestrini & Fanzago, Haemaphysalis sulcata Canestrini & Fanzago, Hyalomma marginatum gr., Ixodes eldaricus Djaparidze, Ixodes festai Tonelli-Rondelli, Ixodes frontalis (Panzer), Ixodes redikorzevi Olenev, and Ixodes ricinus (L.). The present study also reports 78 different avian (resident, migratory or partially migratory) hosts for documented tick species; 63 (80.76%) of them were new tick-host records for Turkey. In addition, the presence of I. eldaricus and I. festai ticks were documented in Turkey for the first time.
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Affiliation(s)
- Adem Keskin
- Department of Biology, Faculty of Science & Art, Tokat Gaziosmanpasa University, Tasliciftlik, Tokat, Turkey
| | - Kiraz Erciyas-Yavuz
- Ornithology Research Center, Ondokuz Mayis University, Atakum, Samsun, Turkey
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Tirosh-Levy S, Gottlieb Y, Apanaskevich DA, Mumcuoglu KY, Steinman A. Species distribution and seasonal dynamics of equine tick infestation in two Mediterranean climate niches in Israel. Parasit Vectors 2018; 11:546. [PMID: 30326955 PMCID: PMC6192331 DOI: 10.1186/s13071-018-3093-0] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2018] [Accepted: 09/03/2018] [Indexed: 12/03/2022] Open
Abstract
Background Ticks are important ectoparasites of horses that can affect animal welfare and vector several infectious, including zoonotic, diseases. In order to investigate the species distribution, epidemiology and seasonal dynamics of ticks infesting horses in Israel, 3267 ticks were collected from 396 horses in 24 farms across the country from July 2014 to June 2015. Results Ticks were found on 50% of the farms and on 25% of the horses, with Hyalomma being the most prevalent genus (70% of ticks). Pasture was the most prominent risk factor for tick infestation (99% of ticks, P < 0.001), and is represented here by two areas with a Mediterranean climate that differ in their environmental characteristics: the Golan Heights (GH, 74% of ticks); and the Carmel mountain ridge (CMR, 24%). Although these two sites are less than 100 km apart, the composition of the tick populations infesting horses differed significantly between them. In GH the most abundant tick species was Hyalomma excavatum (P < 0.001), while in CMR it was Hyalomma marginatum (P < 0.001). The GH also hosted a more diverse tick fauna than the CMR, including Haemaphysalis parva (peaking in the autumn, P < 0.001) and Rhipicephalus turanicus (peaking in the spring, P < 0.001), which were not found at the other sites. A few Rhipicephalus bursa, Hyalomma rufipes and Hyalomma turanicum were also found on horses. Conclusions The current findings can be used in epidemiological studies assessing the risk of tick-borne equine diseases in the area. Further analysis is needed to determine the specific distribution and habitat preferences of each tick species. Electronic supplementary material The online version of this article (10.1186/s13071-018-3093-0) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Sharon Tirosh-Levy
- Koret School of Veterinary Medicine, The Robert H. Smith Faculty of Agriculture, Food and Environment, The Hebrew University of Jerusalem, Rehovot, Israel
| | - Yuval Gottlieb
- Koret School of Veterinary Medicine, The Robert H. Smith Faculty of Agriculture, Food and Environment, The Hebrew University of Jerusalem, Rehovot, Israel.
| | - Dmitry A Apanaskevich
- United States National Tick Collection, James H. Oliver, Jr., Institute of Coastal Plain Sciences, Georgia Southern University, Statesboro, Georgia, USA
| | - Kosta Y Mumcuoglu
- Parasitology Unit, Department of Microbiology and Molecular Genetic, The Kuvin Centre for the Study of Infectious and Tropical Diseases, Hebrew University-Hadassah Medical School, Jerusalem, Israel
| | - Amir Steinman
- Koret School of Veterinary Medicine, The Robert H. Smith Faculty of Agriculture, Food and Environment, The Hebrew University of Jerusalem, Rehovot, Israel
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Keskin A, Erciyas-Yavuz K. A Preliminary Investigation on Ticks (Acari: Ixodidae) Infesting Birds in Kızılırmak Delta, Turkey. JOURNAL OF MEDICAL ENTOMOLOGY 2016; 53:217-220. [PMID: 26487249 DOI: 10.1093/jme/tjv149] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/22/2015] [Accepted: 09/09/2015] [Indexed: 06/05/2023]
Abstract
Ticks are mandatory blood-feeding ectoparasites of mammals, birds, reptiles, and even amphibians. Turkey has a rich bird fauna and is located on the main migration route for many birds. However, information on ticks infesting birds is very limited. In the present study, we aimed to determine ticks infesting birds in Kızılırmak Delta, Turkey. In 2014 autumn bird migration season, a total of 7,452 birds belonging to 79 species, 52 genera, 35 families, and 14 orders were examined for tick infestation. In total, 287 (234 larvae, 47 nymphs, 6♀) ticks were collected from 54 passerine birds (prevalence = 0.72%) belonging to 12 species. Ticks were identified as Amblyomma sp., Dermacentor marginatus (Sulzer), Haemaphysalis concinna Koch, Haemaphysalis punctata Canestrini and Fanzago, Hyalomma sp., Ixodes frontalis (Panzer), and Ixodes ricinus (L). The most common tick species were I. frontalis (223 larvae, 23 nymphs, 6♀) followed by I. ricinus (3 larvae, 12 nymphs) and H. concinna (4 larvae, 6 nymphs). Based on our results, it can be said that Erithacus rubecula (L.) is the main host of immature I. frontalis, whereas Turdus merula L. is the most important carrier of immature stages of some ticks in Kızılırmak Delta, Turkey. To the best of our knowledge, most of the tick-host associations found in this study have never been documented in the literature.
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Affiliation(s)
- Adem Keskin
- Department of Biology, Faculty of Science & Art, Gaziosmanpasa University, Tasliciftlik, Tokat, Turkey 60250 ,
| | - Kiraz Erciyas-Yavuz
- Ornithology Research Center, Ondokuz Mayis University, Atakum, Samsun, Turkey 55137
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Geographical distribution of Dermacentor marginatus and Dermacentor reticulatus in Europe. Ticks Tick Borne Dis 2015; 7:224-233. [PMID: 26552893 DOI: 10.1016/j.ttbdis.2015.10.015] [Citation(s) in RCA: 144] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2015] [Revised: 10/19/2015] [Accepted: 10/20/2015] [Indexed: 11/22/2022]
Abstract
The goal of this paper is to present up-to-date maps depicting the geographical distribution of Dermacentor species in Europe based on georeferenced sampling sites. Therefore, a dataset was compiled, resulting in 1286 D. marginatus (Sulzer, 1776) and 1209 D. reticulatus (Fabricius, 1794) locations. Special emphasis is given to the region of the European Alps depicting a presumable climate barrier of the mountains and to overlaps in the distribution of both species as well as on the situation in eastern European countries. For the latter newly described Dermacentor findings comprise 59 locations in Romania and 62 locations in Ukraine. The geographical distributions of both species in Europe range from Portugal to Ukraine (and continue to the east of Kazakhstan). Although it is well known that D. marginatus is adapted to a warmer and drier climate at more southern latitudes and D. reticulatus to a moderately moist climate at more northern latitudes, the distribution limits of both species were not well known. Here, the northern and southern distribution limits for both species in Europe, as determined from the georeferenced database, were specified for D. marginatus by the belt of 33-51° N latitude and for D. reticulatus by the belt of 41-57° N latitude. Thus, overlapping species distributions were found between 41° N and 51° N.
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Bursali A, Keskin A, Şimşek E, Keskin A, Tekin S. A survey of ticks (Acari: Ixodida) infesting some wild animals from Sivas, Turkey. EXPERIMENTAL & APPLIED ACAROLOGY 2015; 66:293-299. [PMID: 25784071 DOI: 10.1007/s10493-015-9898-z] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/15/2014] [Accepted: 03/05/2015] [Indexed: 06/04/2023]
Abstract
In order to determine the species composition of infesting ticks, between 2011 and 2012 a total of 1118 wild animals were captured from various regions of Zara, Sivas province, Turkey. A total of 138 ticks were obtained from the 58 host animals. Ticks were identified as Dermacentor marginatus (Sulzer), Haemaphysalis erinacei taurica Pospelova-Shtrom, Haemaphysalis parva (Neumann), Haemaphysalis punctata Canestrini and Fanzago, Haemaphysalis sulcata Canestrini and Fanzago, Hyalomma marginatum Koch, Ixodes laguri Olenev, Ixodes ricinus (L.), Ixodes vespertilionis Koch and Rhipicephalus turanicus Pomerantzev. To the best of our knowledge, there are several new host records for D. marginatus, H. e. taurica and I. laguri. In addition, I. vespertilionis was recorded for the first time in the Central Anatolian Region in Turkey, whereas I. laguri and H. e. taurica are firstly reported in Sivas.
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Affiliation(s)
- Ahmet Bursali
- Department of Biology, Faculty of Science and Art, Gaziosmanpasa University, 60250, Tokat, Turkey,
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Keskin A, Bursali A, Kumlutas Y, Ilgaz C, Tekin S. Parasitism of Immature Stages ofHaemaphysalis sulcata(Acari: Ixodidae) on Some Reptiles in Turkey. J Parasitol 2013; 99:752-5. [DOI: 10.1645/13-187.1] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
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First detection of Ixodes ricinus on beef cattle in Israel. Vet Parasitol 2012; 191:394-9. [PMID: 23044249 DOI: 10.1016/j.vetpar.2012.09.008] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2012] [Revised: 09/05/2012] [Accepted: 09/06/2012] [Indexed: 11/23/2022]
Abstract
This is the first report of the presence of Ixodes ricinus on beef cattle in Israel. Up to now, in the Middle East this tick was considered to be confined to Turkey and northern Iran. In the present study, tick samples collected from field-grazing beef cattle in western Galilee (northern Israel) were first examined morphologically for species-specific taxonomical features and then by molecular characterization. Ticks identified morphologically as I. ricinus were then examined by PCR with four different molecular markers: 12S rRNA, 16S rRNA, COX1 and cytochrome B. The PCR products were sequenced and compared with annotated I. ricinus sequences in GenBank™ and the analyzed sequences from the collected samples shared 98-99% identity with reported I. ricinus sequences. In contrast, sequences from the collected ticks shared identity of 91% or less with annotated sequences from other Ixodes species. Multiple alignments and neighbor-joining analyses performed for each of the four markers reinforced the results obtained from pairwise alignments. These findings demonstrated for the first time the presence in Israel of the tick species I. ricinus - with results confirmed by a combination of morphological examination and molecular analyses.
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