Ticks (Acari: Ixodidae) on captive and free-ranging wild animals in Tocantins State, a Cerrado-Amazon transition region of northern Brazil

Reis, Juliane L.; Viana, Eduardo B.; Luz, Hermes Ribeiro; Oda, Fabrício Hiroiuki; Dantas, Silionamã Pereira; Labruna, Marcelo Bahia

doi:10.1080/01647954.2020.1757756

Cited by 8 publications

(8 citation statements)

References 16 publications

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“…Although horses ( Equus caballus ), capybaras ( Hydrochoerus hydrochaeris ) and tapirs ( Tapirus terrestris ) are considered to be the most common primary hosts of all parasitic stages of A. sculptum in Brazil [ 2 , 4 ] (Fig. 2 ), other animals, including peccaries ( Pecari tajacu , Tayassu pecari ), anteaters ( Tamandua tetradactyla , Myrmecophaga tridactyla ), armadillos ( Cabassous unicinctus , Dasypus novemcinticus , Euphractus sexcinctus ), feral and domestic pigs ( Sus scrofa) , carnivores ( Cerdocyon thous , Eira barbara , Leopardus pardalis , Panthera onca , Procyon cancrivorus ), monkeys ( Alouatta guariba ), omnivores ( Didelphis albiventris , Nasua nasua ), rodents ( Cuniculus paca , Dasyprocta azarae ), deer ( Blastocerus dichotomus , Mazama americana , Mazama gouazoubira ), reptiles ( Pseudoboa nigra , Salvator merianae ), birds ( Amazona aestiva , Ara ararauna , Aramus guarauna , Asio clamator , Buteo brachyurus , Caprimulgus parvulus , Carcara plancus , Cariama cristatai , Coragyps atratus , Tyto furcata ) and cattle ( Bos taurus , Bos indicus ) have been reported to be infested by adults and nymphs [ 19 – 26 ]. Humans can also be attacked by all three active developmental stages [ 4 ], but more commonly by subadults (larvae and nymphs) than by adults [ 27 ].…”

Section: Resultsmentioning

confidence: 99%

Seasonal dynamics of Amblyomma sculptum: a review

et al. 2022

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Background Amblyomma sculptum is a hard tick that is associated with domestic animals and the transmission of Brazilian spotted fever. This association has motivated several field studies on this ixodid tick within its distribution area in South America. Thorough knowledge of the seasonal dynamics of A. sculptum in different ecological scenarios is required in order to better understand the biological characteristics of this tick and develop techniques for the control and prevention of diseases transmitted by this vector. In this article, we systematically review the seasonal dynamics of A. sculptum and tick collection methodology. Methods A systematic search of the Scopus, Web of Science, PubMed and Scielo databases was carried out for articles (including dissertations and theses) on the population dynamics of A. sculptum. The inclusion criterion was the report of seasonal dynamic studies on A. sculptum through surveys carried out for at least 1 year with, as methodology, tick collection in the environment and/or tick count/collection on A. sculptum primary hosts (horses or capybaras). Studies carried out before the reclassification of Amblyomma cajennense sensu lato in 2014, which referred to Amblyomma cajennense in areas where it is currently known that only A. sculptum occurs, were also included. Articles meeting the inclusion criterion, but not available in online databases, were also added based on the authors’ experience on the subject. Sixteen articles and one thesis were selected for inclusion in this systematic review. Results Most of the studies were carried out in the southeastern region of Brazil, with a few also carried out in the northeast, center-west and south of Brazil and northwest of Argentina. Five techniques/methods were applied across these studies: CO2 traps, dragging, flagging, visual searches and tick counting on animals, used alone or in combination. Conclusion Seasonal dynamics of A. sculptum was found to be similar in almost all of the areas studied, with larvae predominating during the autumn, nymphs in the winter and adults in the spring and summer. Graphical abstract

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Section: Resultsmentioning

confidence: 99%

Seasonal dynamics of Amblyomma sculptum: a review

et al. 2022

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“…According to Luz et al [29] 12 (54.5%) out of 22 Rhinella marina toads captured in Amapá state, were parasitized by a total of 97 ticks (6 males, 39 females, 31 nymphs, 21 larvae) and mean intensity of 8.1 ticks per infested toad. In the Amazonian biome, A. dissimile is common on R. marina (Anura) and Boidae (Squamata) ( Table 1) [32,33,36,37] Crotalus durissus 1M; 1F [34] Lachesis muta 1 [34] Elapidae Micrurus averyi 3F [31] Micrurus lemniscatus 12M; 9F [31] Colubridade Leptophis ahaetulla 3 [33] Chironius multiventris 3 [33] Chironius scurrulus 1M; 1F [34] Chironius laevicollis 12 15M; 6F [31] Mastigodryas boddaerti 1 [33] Hydrodynastes gigas 1 7F [30] Helicops polylepis 1 [34] Leptodeira annulata 1 [34] Phimophis guerini 1F [34] Erythrolamprus reginae 1 [34] Spilotes pullatus 72 42M; 9F [31] Erythrolamprus reginae semilineatus 1 [34] Dipsadidae Xenodon severus 8 [40] Testudinidae Chelonoidis denticulatus 3M 3 2M; 42F [31,41] Chelonoidis carbonaria 1 1M; 1F 11 [32,39] Podocnemididae Podocnemis expansa 1F [39] Podocnemis unifilis 1 [39] Trachemys dorbigni 2 12F [39] Kinosternidae Kinosternon scorpioides 2F [42] including pre-attachment periods for each parasitic stage lasts approximately 350 days, as reported by Schumaker et al [43] who started a colony from one engorged female collected from the Amazonian biome. Ogrzewalska et al [37] reported Rickettsia bellii and 'Candidatus Rickettsia colombianensi' in ticks collected from Bothrops atrox from Pará state.…”

Section: Hard Ticks Associated With Amphibians and Reptilesmentioning

confidence: 99%

“…Equus caballus ,4,7,9 Myrmecophaga tridactyla 9 MA 4 , RO 7 ,TO [88] Amblyomma varium Bradypus tridactylus 3 , Bradypus sp 3 , Bradypus variegatus 7 Choleopus didactylus 3,7 , Choleopus hoffmanni 3,7 , Choloepus sp 7 Dasyprocta aguti , Tamandua tetradactyla 3 AM 3 , PA 6 ,RO [30,31,33,38,40,97] Dermacentor nitens Bos taurus 4 , Canis familiaris 4,7 , Equus caballus ,4,7,8,9 [31,36,38,39,42] Rhipicephalus microplus Bos taurus 4,7,8,9 , Canis familiaris 4,7,9 , Felis catus 7 , Equus caballus, 4,7,8,9 , Capra hircus 4,7 , Ovis aires 4 Alouatta puruensis 7 , Mazama gouazoubira 5,9 , Mazama sp. 7 , Tapirus terrestres 7,9 ,Tayassu sp 7 rodents (e.g., Cricetidae) in the larvae and nymph stag...…”

Section: Amblyomma Sculptummentioning

confidence: 99%

Ticks from the Brazilian Amazon: Species, Distribution and Host-Relations

Luz¹,

Muñoz-Léal²,

Costa³

et al. 2021

Ecosystem and Biodiversity of Amazonia

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Ticks are important ectoparasites and can transmit a wide variety of pathogens to animals and humans worldwide. These ectoparasites are the most important vectors of diseases causing pathogens in domestic and wild animals, and the second for man. In Brazil, Spotted Fever is the only disease transmitted to humans by ticks, while for animals we can highlight babesiosis, ehrlichiosis and anaplasmosis. Although ticks are found in all of Brazil’s biomes, little is known about its diversity and host-relations in the Amazon biome. The existing gaps and the lack of research indicate that the diversity of ticks and their possible pathogens are underestimated in the Brazilian Amazon. Therefore, in order to guide the next studies in the Amazon biome, we present in this chapter a compilation of the records of hard ticks and soft ticks parasitizing wild and domestic animals, and humans. We present the general list of ticks for this biome, their distribution, hosts and importance for public health and veterinary. Finally, the ixodofauna found in the Brazilian Amazon and presented here does not match the vertebrate diversity of this biome, which is one of the largest on the planet. Therefore, more acarologists and epidemiologists are needed in this region.

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“…sanguineus complex are endophilic and monotropic (all stages tend to feed on dogs), with incidental feeding on humans and other mammalian hosts. [11][12][13][14][15] Historically, however, the temperate and tropical lineages have occupied separate ranges in North America, with the distribution likely influenced by local climate. 16 Globally, the tropical lineage is found where annual mean temperature exceeds 20°C, whereas the temperate lineage is restricted to mean temperatures below that.…”

Section: Introductionmentioning

confidence: 99%

Effect of Temperature on Host Preference in Two Lineages of the Brown Dog Tick, Rhipicephalus sanguineus

Backus

Pérez

Foley

2021

The American Journal of Tropical Medicine and Hygiene

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Rhipicephalus sanguineus is a species complex of ticks that vector disease worldwide. Feeding primarily on dogs, members of the complex also feed incidentally on humans, potentially transmitting disease agents such as Rickettsia rickettsii, R. conorii, and Ehrlichia species. There are two genetic Rh. sanguineus lineages in North America, designated as the temperate and tropical lineages, which had occurred in discrete locations, although there is now range overlap in parts of California and Arizona. Rh. sanguineus in Europe are reportedly more aggressive toward humans during hot weather, increasing the risk of pathogen transmission to humans. The aim of this study was to assess the impact of hot weather on choice between humans and dog hosts among tropical and temperate lineage Rh. sanguineus individuals. Ticks in a two-choice olfactometer migrated toward a dog or human in trials at room (23.5°C) or high temperature (38°C). At 38°C, 2.5 times more tropical lineage adults chose humans compared with room temperature, whereas temperate lineage adults demonstrated a 66% reduction in preference for dogs and a slight increase in preference for humans. Fewer nymphs chose either host at 38°C than at room temperature in both lineages. These results demonstrate that risk of disease transmission to humans may be increased during periods of hot weather, where either lineage is present, and that hot weather events associated with climatic change may result in more frequent rickettsial disease outbreaks.

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Ticks (Acari: Ixodidae) on captive and free-ranging wild animals in Tocantins State, a Cerrado-Amazon transition region of northern Brazil

Cited by 8 publications

References 16 publications

Seasonal dynamics of Amblyomma sculptum: a review

Seasonal dynamics of Amblyomma sculptum: a review

Ticks from the Brazilian Amazon: Species, Distribution and Host-Relations

Effect of Temperature on Host Preference in Two Lineages of the Brown Dog Tick, Rhipicephalus sanguineus

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