scholarly journals A unique phenomenon of oral-anal contact between ticks observed in two tick species Ixodes ricinus and Dermacentor reticulatus

2018 ◽  
Vol 25 (4) ◽  
pp. 686-689 ◽  
Author(s):  
Alicja Buczek ◽  
Katarzyna Bartosik ◽  
Weronika Buczek ◽  
Alicja Buczek ◽  
Dorota Kulina ◽  
...  
Keyword(s):  
Ixodes Ricinus ◽  
Tick Species ◽  
Dermacentor Reticulatus

scholarly journals Composition of tick species (Acari: Ixodida) on dogs in the urban agglomeration – a multi-year study

2017 ◽  
Vol 73 (11) ◽  
pp. 698-701 ◽  
Author(s):  
Mirosław M. Michalski
Keyword(s):  
Ixodes Ricinus ◽  
Tick Species ◽  
Dominant Species ◽  
Rhipicephalus Sanguineus ◽  
Dermacentor Reticulatus ◽  
Urban Agglomeration ◽  
The Subject ◽  
The City

Ticks parasitizing on dogs belong to mites of the order Ixodida, class Arachnida. In Poland the occurrence of four species has been recorded most frequently: Ixodes ricinus, I. hexagonus, I. crenulatus and Dermacentor reticulatus. Their importance is due to the fact that they are vectors of many dangerous diseases of humans and animals. The subject of the present study were ticks collected from dogs, patients of several veterinary clinics from the urban agglomeration of the city of Olsztyn. Ticks were collected from May to June in eight consecutive years: 2009–2016. The dominant species was I. ricinus (60.14%) in relation to D. reticulatus (39.71%). In two consecutive years, 2011–2012, single females of Rhipicephalus sanguineus were also identified, an exceptional finding of this species in our country. In D. reticulatus, nymphs predominated over females (23.74% vs 16.0%) while in I. ricinus the respective percentage was 29.6% and 30.55%. However, in subsequent years of the study the proportions between nymphs and females varied greatly in both species.

scholarly journals Occurrence of juvenile Dermacentor reticulatus ticks in three regions in Poland: the final evidence of the conquest

2021 ◽  
Vol 14 (1) ◽  
Author(s):  
Dorota Dwużnik-Szarek ◽  
Ewa Julia Mierzejewska ◽  
Anna Bajer
Keyword(s):  
Ixodes Ricinus ◽  
Tick Species ◽  
Dermacentor Reticulatus ◽  
Tick Population ◽  
Western Region ◽  
Eastern Region ◽  
Haemaphysalis Concinna ◽  
Fallow Lands ◽  
The Western Region ◽  
June July

Abstract Background Two populations of Dermacentor reticulatus ticks (Western and Eastern) in Poland are among the most dynamic tick populations in Central Europe. Expansion and settlement of ticks in new localizations depend on the presence of suitable hosts, for both adult and juvenile ticks. Methods The current study was planned to complement our previous studies on questing adult ticks and was focused on a collection of juvenile D. reticulatus ticks from rodents from three regions in Poland, defined by the presence/absence of adult ticks (regions of the Western and Eastern tick population and the gap area between them) to confirm the existence of stable populations. Rodent trapping was conducted in open habitats (fallow lands, wasteland and submerged meadows) in 2016–2018 in June, July and/or August to encompass seasonal peaks of larvae and nymph activity. Results Altogether, three tick species were collected, 2866 D. reticulatus, 2141 Ixodes ricinus and 427 Haemaphysalis concinna. Dermacentor reticulatus was the most common (72.3%) and abundant (mean 17.94 ± 2.62 ticks/rodent) tick species on rodents from the Eastern region; in the Western region infestation of rodents was only 6.8%. Ixodes ricinus was found in all three regions and was the only tick species collected from rodents from the gap area. Haemaphysalis concinna was noted only in the Western region. The highest infestation of juvenile D. reticulatus was recorded on voles (Myodes and Microtus spp.), infestation of I. ricinus was the highest on Apodemus mice, and the majority of H. concinna ticks were collected from root voles Alexandromys oeconomus. Conclusions Our study confirmed a stable population of D. reticulatus in Eastern and Central Poland and a lower prevalence and mean abundance of this tick species among rodents from the Western region. A lack of juvenile D. reticulatus on rodents in Niewiadów confirmed the existence of the gap area, free of D. reticulatus ticks. Graphical abstract

scholarly journals Evaluation of the efficacy of afoxolaner against two European dog tick species: Dermacentor reticulatus and Ixodes ricinus

2014 ◽  
Vol 201 (3-4) ◽  
pp. 216-219 ◽  
Author(s):  
Pascal Dumont ◽  
Jeffrey Blair ◽  
Josephus J. Fourie ◽  
Theodore S. Chester ◽  
Diane L. Larsen
Keyword(s):  
Ixodes Ricinus ◽  
Tick Species ◽  
Dermacentor Reticulatus ◽  
Dog Tick

scholarly journals Tick-Borne Pathogens in Ticks Collected from Wild Ungulates in North-Eastern Poland

Pathogens ◽  
2021 ◽  
Vol 10 (5) ◽  
pp. 587
Author(s):  
Mirosław M. Michalski ◽  
Katarzyna Kubiak ◽  
Magdalena Szczotko ◽  
Małgorzata Dmitryjuk
Keyword(s):  
Ixodes Ricinus ◽  
Anaplasma Phagocytophilum ◽  
Tick Species ◽  
Dermacentor Reticulatus ◽  
Infection Frequency ◽  
Wild Ungulates ◽  
Wild Boars ◽  
Potential Source ◽  
North Eastern

This study was carried out in north-eastern Poland during two hunting seasons between 2018 and 2020. Ticks (Ixodes ricinus and Dermacentor reticulatus) were removed from wild cervids and boars and examined for the presence of Borrelia spirochetes and Rickettsiales members: Rickettsia spp. and Anaplasma phagocytophilum. The present study contributes to the knowledge of even-toed ungulates, which are an important reservoir of the above-mentioned pathogens and a potential source of infections for humans through ticks as vectors. Almost 40% of the collected ticks (191 out of 484) were infected with the following pathogens: 3.3% with Borrelia spp., 19.2% with A. phagocytophilum and 26.9% with Rickettsia spp. Only the ticks collected from cervids carried Borrelia. Typing of the species DNA confirmed the presence of B. afzelii, B. garinii, B. lusitaniae and B. miyamotoi. An analysis of Rickettsia spp. sequences using the GenBank data revealed the presence of R. helvetica, R. raoultii and R. monacensis. Monoinfections (79.1%) dominated over co-infections (20.9%). Among co-infections, the most frequent was A. phagocytophilum/Rickettsia spp. (70%), however co-infections, including B. afzelii/A. phagocytophilum, B. afzelii/Rickettsia spp., B. miyamotoi/A. phagocytophilum and B. afzelii/B. garinii/B. lusitaniae, were also noted. Significant differences were observed in the affinity of some pathogens to their vectors. Thus, Borrelia spp. and A. phagocytophilum were more frequently detected in I. ricinus (5.3% and 23.1%) than in D. reticulatus (1.2% and 15.3%). Infection frequency with Rickettsia spp. was similar (approximately 25–29%) in both tick species. The prevalence of A. phagocytophilum and Rickettsia spp. in ticks removed from cervids was 19.8% and 27.1%, and in ticks from wild boars it was 13.3% and 24.4%, respectively.

scholarly journals Impact of a freeway on the dispersal of ticks and Ixodes ricinus-borne pathogens: forested resting areas may become Lyme disease hotspots

2017 ◽  
Vol 65 (2) ◽  
pp. 242-252 ◽  
Author(s):  
Sándor Hornok ◽  
Maria Mulvihill ◽  
Krisztina Szőke ◽  
Enikő Gönczi ◽  
Kinga M. Sulyok ◽  
...  
Keyword(s):  
Lyme Disease ◽  
Ixodes Ricinus ◽  
Tick Species ◽  
Dermacentor Reticulatus ◽  
Ixodid Ticks ◽  
Significant Difference ◽  
Different Types ◽  
Pathogen Prevalence ◽  
The Difference ◽  
Two Sides

Man-made barriers are well known for their effects on ecosystems. Habitat fragmentation, for instance, is a recognised consequence of modern-day infrastructure. The aim of the present study was to investigate the diversity and abundance of tick species, as well as the risks of acquiring tick-borne infections in habitats adjacent to a freeway. Therefore, ixodid ticks were collected from the vegetation at two-week intervals (in the main tick season, from March to June) in eight habitats of different types (forest, grove, grassland) along both sides of a freeway. Ixodes ricinus females were molecularly screened for three species of tick-borne bacteria. In the study period, 887 ixodid ticks were collected. These included 704 I. ricinus (79.4%), 51 Dermacentor reticulatus (5.7%), 78 D. marginatus (8.8%), 35 Haemaphysalis inermis (3.9%) and 19 H. concinna (2.1%). There was no significant difference in the abundance of tick species between similar habitats separated by the freeway, except for the absence of Dermacentor spp. on one side. In I. ricinus females, the overall prevalence of Anaplasma phagocytophilum was low, and (in part due to this low rate) did not show significant difference between the two sides of the freeway. Rickettsia helvetica had significantly different overall prevalence between two distant habitats along the same side of the freeway (12.3% vs. 31.4%), but not between habitats on the opposite sides. Borrelia burgdorferi s.l. showed significantly different overall prevalence between habitats both on the same and on the opposite sides of the freeway (8.6–35.9%), and the difference was higher if relevant habitats were also separated by the freeway. Importantly, the prevalence rate of the Lyme disease agent was highest in a forested resting area of the freeway, and was significantly inversely proportional to the prevalence of A. phagocytophilum (taking into account all evaluated habitats), apparently related to deer population density. Prevalence rates of these bacteria also differed significantly on single sampling occasions between: (1) closely situated habitats of different types; (2) distant and either similar or different habitat types; and (3) habitats on the opposite sides of the freeway. In conclusion, the findings of the present study show that a fenced freeway may contribute to differences in tick species diversity and tick-borne pathogen prevalence along its two sides, and this effect is most likely a consequence of its barrier role preventing deer movements.

scholarly journals Tick-borne pathogens in ticks collected from dogs, Latvia, 2011–2016

2019 ◽  
Vol 15 (1) ◽  
Author(s):  
Agne Namina ◽  
Valentina Capligina ◽  
Maija Seleznova ◽  
Rudolfs Krumins ◽  
Darja Aleinikova ◽  
...  
Keyword(s):  
Ixodes Ricinus ◽  
Tick Species ◽  
Environmental Changes ◽  
Dermacentor Reticulatus ◽  
Ixodes Persulcatus ◽  
Borrelia Miyamotoi ◽  
Emerging Pathogens ◽  
Additional Risk ◽  
Risk Of Exposure ◽  
The Difference

Abstract Background Different tick species are able to transmit different pathogens, and tick-borne diseases are of substantial concern worldwide for both humans and animals. Environmental changes and changes in the range of tick species, including Dermacentor reticulatus in Europe, can affect the spread of zoonotic pathogens. The aim of this study was to investigate the prevalence of the tick-borne pathogens in ticks removed from dogs in Latvia, and to explore possible changes between years 2011 and 2016. Results In 2011, only Ixodes ticks (221 Ixodes ricinus and 22 Ixodes persulcatus) were collected from dogs, while in 2016 tick samples belonged to Ixodes ricinus (360), Ixodes persulcatus (2) and Dermacentor reticulatus (27) species. In total, 35.8 and 40.0% of adult ticks were pathogen-positive in 2011 and 2016, respectively; the difference was not statistically significant (P > 0.05). The molecular analysis indicated the presence of 13 tick-borne microorganisms; the most prevalent pathogen was Rickettsia, followed by Borrelia burgdorferi sensu lato group spirochetes, Anaplasma phagocytophilum and Babesia species. Borrelia miyamotoi was also present. A co-infection with two and three tick-borne pathogens was detected in 7.9 and 7.4% of Ixodes ricinus and Dermacentor reticulatus, respectively. The results of this study confirmed that the spread of novel vectors could bring additional risk of exposure to novel emerging pathogens to pets and their owners, as both Babesia canis and Rickettsia raoultii were shown to be highly associated with Dermacentor reticulatus ticks in Latvia. Conclusions This study demonstrates the potential danger from the inadvertent introduction of novel disease pathogens and vectors. Awareness of co-infections and Dermacentor reticulatus-related pathogens needs to be increased.

scholarly journals Sensitivity of Ixodes ricinus (L., 1758) and Dermacentor reticulatus (Fabr., 1794) ticks to entomopathogenic fungi isolates: preliminary study

2020 ◽  
Vol 119 (11) ◽  
pp. 3857-3861
Author(s):  
Anna Szczepańska ◽  
Dorota Kiewra ◽  
Kinga Plewa-Tutaj ◽  
Dagmara Dyczko ◽  
Katarzyna Guz-Regner
Keyword(s):  
Ixodes Ricinus ◽  
Entomopathogenic Fungi ◽  
Tick Species ◽  
Dermacentor Reticulatus ◽  
Environmental Isolates ◽  
Environmental Strain ◽  
Potential Efficacy ◽  
Potential Possibility ◽  
Preliminary Study

Abstract Entomopathogenic fungi of the genus Beauveria and Metarhizium play an important role in controlling the population of arthropods. However, the data on their effectiveness against ticks focus mainly on species that do not occur in Europe. The aim of the study was to assess the effectiveness of entomopathogenic fungi against two of the most important tick species in Europe: Ixodes ricinus and Dermacentor reticulatus. In our study, the majority of tested entomopathogenic fungi strains showed potential efficacy against both tick species; however, D. reticulatus was less susceptible in comparison to I. ricinus. The observed mortality of ticks was up to 100% by using all commercial strains as well as three out of nine of the environmental strains. Among all tested fungi, the most effective against both tick species was environmental strain Metarhizium anisopliae LO4(1) with LC50 values: 2.6 × 103 cfu/ml–5.7 × 105 cfu/ml. Botanigard proved to be more effective than MET52 with LC50 values: 6.8 × 103 cfu/ml–3.3 × 106 cfu/ml. The conducted bioassays indicate the potential possibility of using the environmental isolates of entomopathogenic fungi, as well as commercial strains in control of local populations of I. ricinus and D. reticulatus; however, the possibility of using them in vivo requires more research.

scholarly journals Atlas of ticks (Acari: Argasidae, Ixodidae) in Germany

2021 ◽  
Author(s):  
Franz Rubel ◽  
Katharina Brugger ◽  
Lidia Chitimia-Dobler ◽  
Hans Dautel ◽  
Elisabeth Meyer-Kayser ◽  
...  
Keyword(s):  
Tick Species ◽  
Migratory Birds ◽  
Dermacentor Reticulatus ◽  
Ixodid Ticks ◽  
Federal States ◽  
Ixodes Frontalis ◽  
Argas Reflexus ◽  
The One ◽  
Argasid Tick ◽  
First Time

AbstractAn updated and increased compilation of georeferenced tick locations in Germany is presented here. This data collection extends the dataset published some years ago by another 1448 new tick locations, 900 locations of which were digitized from literature and 548 locations are published here for the first time. This means that a total of 3492 georeferenced tick locations is now available for Germany. The tick fauna of Germany includes two species of Argasidae in the genera Argas and Carios and 19 species of Ixodidae in the genera Dermacentor, Haemaphysalis, and Ixodes, altogether 21 tick species. In addition, three species of Ixodidae in the genera Hyalomma (each spring imported by migratory birds) and Rhipicephalus (occasionally imported by dogs returning from abroad with their owners) are included in the tick atlas. Of these, the georeferenced locations of 23 tick species are depicted in maps. The occurrence of the one remaining tick species, the recently described Ixodes inopinatus, is given at the level of the federal states. The most common and widespread tick species is Ixodes ricinus, with records in all 16 federal states. With the exception of Hamburg, Dermacentor reticulatus was also found in all federal states. The occurrence of the ixodid ticks Ixodes canisuga, Ixodes frontalis, Ixodes hexagonus and I. inopinatus were documented in at least 11 federal states each. The two mentioned argasid tick species were also documented in numerous federal states, the pigeon tick Argas reflexus in 11 and the bat tick Carios vespertilionis in seven federal states. The atlas of ticks in Germany and the underlying digital dataset in the supplement can be used to improve global tick maps or to study the effects of climate change and habitat alteration on the distribution of tick species.

scholarly journals Occurrence and Abundance of Dermacentor reticulatus in the Habitats of the Ecological Corridor of the Wieprz River, Eastern Poland

Insects ◽  
2021 ◽  
Vol 12 (2) ◽  
pp. 96
Author(s):  
Zbigniew Zając ◽  
Aleksandra Sędzikowska ◽  
Weronika Maślanko ◽  
Aneta Woźniak ◽  
Joanna Kulisz
Keyword(s):  
Relative Abundance ◽  
Tick Species ◽  
Dermacentor Reticulatus ◽  
Natural Vegetation ◽  
High Abundance ◽  
Migration Routes ◽  
Ecological Corridors ◽  
Tick Activity ◽  
Ecological Corridor

Ecological corridors are zones of natural vegetation, which connect with other vegetation strips to create migration routes for animals and plants. The aim of our study was to investigate the occurrence and relative abundance of Dermacentor reticulatus in various habitats of the ecological corridor of the Wieprz River in eastern Poland. Ticks were collected using the flagging method in seven sites within the ecological corridor of the Wieprz River, i.e., one of the longest uninterrupted vegetation strips in eastern Poland. The presence of D. reticulatus adults was confirmed in each of the examined sites. The autumn peak of tick activity dominated in most plots. During this period, on average up to 309.7 individuals were collected within 30-min. The results of our study show that, due to the high abundance of local D. reticulatus populations, the habitats located in the ecological corridor of the Wieprz River can be regarded as preferred habitats of this tick species.

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