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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 ... -
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 ... -
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 ... -
Nellore cattle (Bos indicus) and ticks within the Brazilian Pantanal: ecological relationships
Ramos, Vanessa N.; Piovezan, Ubiratan; Franco, Ana Helena A.; Rodrigues, Vinicius S.; Nava, Santiago; Szabó, Matías P.J. (2016-02)Pantanal is a huge floodplain mostly in Brazil, and its main economic activity is extensive cattle raising, in farms characterized by an extremely wildlife-rich environment. We herein describe tick infestations of cattle ... -
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 ... -
Rhipicephalus sanguineus (Latreille, 1806): Neotype designation, morphological re-description of all parasitic stages and molecular characterization
Nava, Santiago; Beati, Lorenza; Venzal, José Manuel; Labruna, Marcelo B.; Szabó, Matías P.J.; Petney, Trevor; Saracho Bottero, Maria Noelia; Tarragona, Evelina Luisa; Dantas-Torres, Filipe; Silva, Maria M. Santos; Mangold, Atilio Jose; Guglielmone, Alberto; Estrada-Peña, Agustín (2018-09)The aims of this work were to re-describe all parasitic stages of Rhipicephalus sanguineus sensu stricto, to select and deposit a neotype, and to characterize some of its diagnostic molecular traits. A male of R. sanguineus ... -
Species occurrence of ticks in South America, and interactions with biotic and abiotic traits
Estrada-Peña, Agustín; Nava, Santiago; Tarragona, Evelina Luisa; Bermúdez, Sergio; de la Fuente, José; Domingos, Ana; Labruna, Marcelo B.; Mosqueda, Juan; Merino, Octavio; Szabó, Matías P.J.; Venzal, José Manuel; Guglielmone, Alberto (Springer Nature, 2019-12)The datasets of records of the distribution of ticks and their hosts are invaluable tools to understand the phylogenetic patterns of evolution of ticks and the abiotic traits to which they are associated. Such datasets ... -
The taxonomic status of Rhipicephalus sanguineus (Latreille, 1806)
Nava, Santiago; Estrada-Peña, Agustín; Petney, Trevor; Beati, Lorenza; Labruna, Marcelo B.; Szabó, Matías P.J.; Venzal, José Manuel; Mastropaolo, Mariano; Mangold, Atilio Jose; Guglielmone, Alberto (2015-02)The brown dog tick, Rhipicephalus sanguineus sensu stricto, is a species with considerable public health and economic importance. However, the taxonomic status of this species is far from resolved. After more than 110 years ...