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Autores
Mostrando ítems 1-20 de 29
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A morphological and phylogenetic analysis of Ornithodoros marinkellei (Acari: Argasidae), with additional notes on habitat and host usage
Venzal, José Manuel; Nava, Santiago; Hernández, Ligia V.; Miranda, Jorge; Marcili, Arlei; Labruna, Marcelo B. (Springer, 2018-10)Ornithodoros marinkellei was described from larvae collected on Pteronotus spp. bats in Colombia and Panama. More recently, this tick was reported in the Brazilian Amazon. Because some morphometric differences were observed ... -
A new argasid tick species (Acari: Argasidae) associated with the rock cavy, Kerodon rupestris Wied-Neuwied (Rodentia: Caviidae), in a semiarid region of Brazil
Labruna, Marcelo B.; Nava, Santiago; Marcili, Arlei; Barbieri, Amália Regina Mar; Nunes, Pablo Henrique; Horta, Mauricio Claudio; Venzal, José Manuel (BioMed Central, 2016)Background: The rock cavy Kerodon rupestris (Wied-Neuwied, 1820) is a rodent species endemic to northeastern Brazil. Earlier studies have associated the argasid tick Ornithodoros talaje (Guérin-Méneville, 1849) with rocky ... -
A new species of Ornithodoros (Acari: Argasidae) from desert areas of northern Chile
Muñoz-Leal, Sebastian; Venzal, José Manuel; González-Acuña, Daniel; Nava, Santiago; Lopes, Marcos G.; Martins, Thiago F.; Figueroa, Cecilia; Fernández, Nicolás; Labruna, Marcelo B. (2016-07)Ornithodoros atacamensis n. sp. is described from larvae collected on the lizard Liolaemus bisignatus and from free-living adults collected in desert areas from the Pan de Azúcar and Llanos de Challe National Parks, in ... -
A novel spotted fever group Rickettsia infecting Amblyomma parvitarsum (Acari: Ixodidae) in highlands of Argentina and Chile
Ogrzewalska, María; Nieri-Bastos, Fernanda A.; Marcili, Arlei; Nava, Santiago; González-Acuña, Daniel; Muñoz-Leal, Sebastian; Ruiz-Arrondo, Ignacio; Venzal, José Manuel; Mangold, Atilio Jose; Labruna, Marcelo B. (2016)The tick Amblyomma parvitarsum (Acari: Ixodidae) has established populations in Andean and Patagonic environments of South America. For the present study, adults of A. parvitarsum were collected in highland areas (elevation ... -
Amblyomma cajennense (Fabricius, 1787) (Acari: Ixodidae), the Cayenne tick: phylogeography and evidence for allopatric speciation
Beati, Lorenza; Nava, Santiago; Burkman, Erica J.; Barros Battesti, Darci M.; Labruna, Marcelo B.; Guglielmone, Alberto; Cáceres, Abraham G.; Guzman Cornejo, Carmen M.; Léon, Renato; Durden, Lance A.; Faccini, João L.H. (2013-12)Background: Amblyomma cajennense F. is one of the best known and studied ticks in the New World because of its very wide distribution, its economical importance as pest of domestic ungulates, and its association with a ... -
Amblyomma parvum Aragão, 1908 (Acari: Ixodidae): Phylogeography and systematic considerations
Lado, Paula; Nava, Santiago; Labruna, Marcelo B.; Szabó, Matías P.J.; Durden, Lance A.; Bermudez, Sergio; Montagna, Matteo; Sánchez Quirós, Ana C.; Beati, Lorenza (2016-07)The geographical distribution of Amblyomma parvum Aragão 1908 in the New World is disjunct, with two main clusters separated from each other by the Amazon basin. The main objectives of this study were to further investigate ... -
Borrelia infection in Ixodes pararicinus ticks (Acari: Ixodidae) from northwestern Argentina
Nava, Santiago; Barbieri, Amália Regina Mar; Maya, Leticia; Colina, Rodney; Mangold, Atilio Jose; Labruna, Marcelo B.; Venzal, José Manuel (2014-11)The aim of this work was to describe for the first time the presence of Borrelia burgdorferi sensu lato infecting ticks in Argentina. Unfed specimens of Ixodes pararicinus collected from vegetation in Jujuy Province were ... -
Description of a new soft tick species (Acari: Argasidae: Ornithodoros) parasite of Octodon degus (Rodentia: Octodontidae) in northern Chile
Muñoz-Leal, Sebastian; Venzal, José Manuel; Nava, Santiago; Marcili, Arlei; González-Acuña, Daniel; Martins, Thiago F.; Labruna, Marcelo B. (Elsevier, 2020-05)A new argasid (Argasidae) tick is herein described based on morphology and molecular data obtained from larvae parasitizing Octodon degus and from ticks collected inside burrows in northern Chile. Unfed laboratory-reared ... -
Description of a new species of Ixodes (Acari: Ixodidae) and first report of Ixodes lasallei and Ixodes bocatorensis in Brazil
Onofrio, Valeria C.; Guglielmone, Alberto; Barros Battesti, Darci M.; Gianizella, Sergio L.; Marcili, Arlei; Quadros, Rosiléia M.; Marques, Sandro; Labruna, Marcelo B. (Elsevier, 2020-07)In a recent study, we relegated the taxon Ixodes aragaoi Fonseca, 1935 to a junior synonym of Ixodes fuscipes Koch, 1844, and reinstated Ixodes spinosus Neumann, 1899 (a former synonym of I. fuscipes) to a valid species. ... -
Different lines of evidence used to delimit species in ticks : a study of the South American populations of Amblyomma parvum (Acari: Ixodidae)
Nava, Santiago; Gerardi, Monize; Szabó, Matías P.J.; Mastropaolo, Mariano; Martins, Thiago F.; Labruna, Marcelo B.; Beati, Lorenza; Estrada-Peña, Agustín; Guglielmone, Alberto Alejandro (2016-10)The goal of this work was to combine different lines of evidence besides that of molecular markers to delimit species in ticks when the molecular data are not totally congruent. Two groups (Argentina, Brazil) of South ... -
Exploring the ecological and evolutionary relationships between Rickettsia and hard ticks in the Neotropical region
Estrada-Peña, Agustín; Binder, Lina C.; Nava, Santiago; Szabó, Matías P.J.; Labruna, Marcelo B. (Elsevier, 2021-06)This study addresses a meta-analysis of the distribution of Rickettsia spp. in the Neotropical region, as well as their associations with ticks and vertebrates. A total of 219 published reports on Rickettsia in ticks in ... -
Liolaemus lizards (Squamata: Liolaemidae) as hosts for the nymph of Amblyomma parvitarsum (Acari: Ixodidae), with notes on Rickettsia infection
Muñoz-Leal, Sebastian; Tarragona, Evelina Luisa; Martins, Thiago F.; Burgos-Gallardo, Freddy; Nava, Santiago; Labruna, Marcelo B.; González-Acuña, Daniel; Martín, Claudia Melisa (2016)Adults of Amblyomma parvitarsum are common ectoparasites of South American camelids of the genera Lama and Vicugna, occuring in highlands of Argentina, Bolivia, Chile, Peru and also in Argentinean Patagonia. Whereas larval ... -
Low Genetic Diversity of the Only Clade of the Tick Rhipicephalus microplus in the Neotropics
Díaz-Sánchez, Sandra; Hernández-Triana, Luis M.; Labruna, Marcelo B.; Merino, Octavio; Mosqueda, Juan; Nava, Santiago; Szabó, Matías P.J.; Tarragona, Evelina Luisa; Venzal, José Manuel; de La Fuente, José; Estrada-Peña, Agustín (MDPI, 2023-11)This study addresses the variability of the mitochondrial cytochrome oxidase subunit I (COI) and 16S rDNA (16S), and nuclear internal transcriber spacer ITS2 (ITS2) genes in a set of field-collected samples of the cattle ... -
Morphological descriptions of the nymph and adults of Ornithodoros clarki, the larva and nymph of Ornithodoros rondoniensis, with notes on their phylogenetic relationships
Labruna, Marcelo B.; Nava, Santiago; Rebollo Hernández, Andrea; Guzman Cornejo, Carmen M.; Hernández, Ligia V.; Domínguez, Lillian; Muñoz-Leal, Sebastian; Venzal, José Manuel (Springer, 2021-03-26)Based on tick specimens collected recently in Mexico, Nicaragua, Panama and Brazil, we provide morphological descriptions of the nymph and adults of Ornithodoros clarki Jones & Clifford, 1972 from the first three countries, ... -
New records of soft ticks (Acari: Argasidae) from caves in Brazil, with a morphological study of Ornithodoros fonsecai and an analysis of the taxonomic status of Antricola inexpectata
Oliveira, Glauber M.B. de; Muñoz-Leal, Sebastian; Nava, Santiago; Horta, Mauricio Claudio; Bernardi, Leopoldo; Venzal, José Manuel; Labruna, Marcelo B. (Elsevier, 2024-05)In this study, we report soft ticks from bat-inhabiting caves in different areas of Brazil. From 2010 to 2019, we collected 807 tick specimens from nine caves located in four Brazilian states among two biomes. Ticks were ... -
One health approach to identify research needs on Rhipicephalus microplus ticks in the Americas
Estrada-Peña, Agustín; Rodriguez Mallon, Alina; Bermudez, Sergio; Domingos, Ana; Estrada Garcia, Mario Pablo; Labruna, Marcelo B.; Merino, Octavio; Nava, Santiago; Tarragona, Evelina Luisa; Venzal, José Manuel; de La Fuente, José; Mosqueda, Juan; Lleonart Cruz, Ricardo (MDPI, 2022-10)We aim to provide a harmonized view of the factors that affect the survival and promote the spread of R. microplus in the Neotropics, approaching its different facets of biology, ecology, distribution, and control. We ... -
Ornithodoros cerradoensis n. sp. (Acari: Argasidae), a member of the Ornithodoros talaje (Guérin-Méneville, 1849) group, parasite of rodents in the Brazilian Savannah
Muñoz-Leal, Sebastian; Martins, Maria Marlene; Nava, Santiago; Landulfo, Gabriel Alves Lves; Simons, Simone Michaela; Rodrigues, Vinícius Da Silva; Ramos, Vanessa Do Nascimento; Suzin, Adriane; Szabó, Matías P.J.; Labruna, Marcelo B. (Elsevier, 2020-09)Ornithodoros cerradoensis n. sp. is described from field-collected and laboratory reared nymphs, males, females, and larvae parasitizing the rodents Cavia aperea and Thrichomys sp. in the Brazilian Savannah. This new species ... -
Ornithodoros peropteryx (Acari: Argasidae) in Bolivia: an argasid tick with a single nymphal stage
Venzal, José Manuel; Nava, Santiago; Terassini, Flavio A.; Ogrzewalska, Maria; Camargo, Luis Marcelo A.; Labruna, Marcelo B. (2013-10)By the end of the 1960s, the argasid tick Ornithodoros peropteryx was described from larval specimens collected from the bat Peropteryx macrotis in Colombia. Since its original description, no additional record of O. ... -
Predicting the northward expansion of tropical lineage Rhipicephalus sanguineus sensu lato ticks in the United States and its implications for medical and veterinary health
Pascoe, Emily L.; Nava, Santiago; Labruna, Marcelo B.; Paddock, Christopher D.; Levin, Michael L.; Marcantonio, Matteo; Foley, Janet E. (Plos One, 2022-08)The tropical lineage within the Rhipicephalus sanguineus species complex is cause for growing concern in the U.S. based on its prominent role in creating and perpetuating multiple recently identified outbreaks of Rocky ... -
Reassessment of the taxonomic status of Amblyomma cajennense (Fabricius, 1787) with the description of three new species, Amblyomma tonelliae n. sp., Amblyomma interandinum n. sp. and Amblyomma patinoi n. sp., and reinstatement of Amblyomma mixtum Koch, 1844, and Amblyomma sculptum Berlese, 1888 (Ixodida: Ixodidae)
Nava, Santiago; Beati, Lorenza; Labruna, Marcelo B.; Cáceres, Abraham G.; Mangold, Atilio Jose; Guglielmone, Alberto (2014-04)A reassessment of the taxonomic status of Amblyomma cajennense based on the morphological analyses of ticks from the whole distribution area of the species resulted in the redescription of A. cajennense, the validation of ...