Notas de Ixodologia: IV - considerações sôbre a nomeclatura de algumas espécies do gênero Amblyomma do Brasil e países limítrofes (Acari: Ixodidae)

Fonseca, Francine Souza Alves da; Aragão, Henrique

doi:10.1590/s0074-02761952000100026

Cited by 5 publications

(4 citation statements)

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“…Amblyomma ypsilophorum Schulze, 1941 was found to be a synonym of A. cooperi by Fonseca and Aragão (1952). However, Camicas et al (1998) stated that A. dubitatum has priority to all previous names, which was confirmed by the study of Estrada Peña et al (2002).…”

Section: Introductionmentioning

confidence: 94%

Hosts, distribution and genetic divergence (16S rDNA) of Amblyomma dubitatum (Acari: Ixodidae)

et al. 2010

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We supply information about hosts and distribution of Amblyomma dubitatum. In addition, we carry out an analysis of genetic divergence among specimens of A. dubitatum from different localities and with respect to other Neotropical Amblyomma species, using sequences of 16S rDNA gene. Although specimens of A. dubitatum were collected on several mammal species as cattle horse, Tapirus terrestris, Mazama gouazoubira, Tayassu pecari, Sus scrofa, Cerdocyon thous, Myocastor coypus, Allouata caraya, Glossophaga soricina and man, most records of immature and adult stages of A. dubitatum were made on Hydrochoerus hydrochaeris, making this rodent the principal host for all parasitic stages of this ticks. Cricetidae rodents (Lundomys molitor, Scapteromys tumidus), opossums (Didelphis albiventris) and vizcacha (Lagostomus maximus) also were recorded as hosts for immature stages. All findings of A. dubitatum correspond to localities of Argentina, Brazil, Paraguay and Uruguay, and they were concentrated in the Biogeographical provinces of Pampa, Chaco, Cerrado, Brazilian Atlantic Forest, Parana Forest and Araucaria angustifolia Forest. The distribution of A. dubitatum is narrower than that of its principal host, therefore environmental variables rather than hosts determine the distributional ranges of this tick. The intraspecific genetic divergence among 16S rDNA sequences of A. dubitatum ticks collected in different localities from Argentina, Brazil and Uruguay was in all cases lower than 0.8%, whereas the differences with the remaining Amblyomma species included in the analysis were always bigger than 6.8%. Thus, the taxonomic status of A. dubitatum along its distribution appears to be certain at the specific level.

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Section: Introductionmentioning

confidence: 94%

Hosts, distribution and genetic divergence (16S rDNA) of Amblyomma dubitatum (Acari: Ixodidae)

et al. 2010

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“…For the identification of mites, 252 specimens were rinsed in Nesbitt solution and mounted in Berlese medium (Walter and Krantz, 2009a). The identification was carried out following the keys proposed by Fonseca (1936Fonseca ( , 1957 and Furman (1972) and using a stereomicroscope (Motic ®).…”

Section: Methodsmentioning

confidence: 99%

“…Some small animal species are distributed throughout dissimilar environmental zones, such as the biogeographic provinces, Mediterranean, Temperate Forest and Patagonia. One of these species is Oligoryzomys longicaudatus (Long-tailed pygmy rice rat), which is parasitized by mites of the genus Mysolaelaps (Fonseca, 1936). In this context, the present study describes the parasitic infestation rates of Mysolaelaps microspinosus on O. longicaudatus and evaluates its relationship with biotic factors (sex and host body mass) and abiotic factors (biogeographical province and season).…”

Section: Original Research Abstractmentioning

confidence: 99%

Evaluation of the influence of biotic and abiotic factors on the prevalence and abundance of infestations of Mysolaelaps microspinosus (Fonseca, 1936) (Mesostigmata: Laelapidae) on Oligoryzomys longicaudatus (Bennett, 1832) in Chile

et al. 2023

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The diverse biogeography of Chile provides it an ideal field to study the influence of environmental factors on plant and animal biodiversity. Some small animal species are distributed throughout dissimilar environmental zones, such as the biogeographic provinces, Mediterranean, Temperate Forest and Patagonia. One of these species is Oligoryzomys longicaudatus (Long-tailed pygmy rice rat), which is parasitized by mites of the genus Mysolaelaps (Fonseca, 1936). In this context, the present study describes the parasitic infestation rates of Mysolaelaps microspinosus on O. longicaudatus and evaluates its relationship with biotic factors (sex and host body mass) and abiotic factors (biogeographical province and season). Of 328 O. longicaudatus analyzed, 68 Mysolaelaps positive cases were obtained. Prevalence and mean abundance were 20.7% and 0.708, respectively. Multifactorial logistic and negative binomial regressions were performed to evaluate the effect of biotic and abiotic factors on prevalence and mean abundance. Both rates were significantly and directly related with biogeographic province and season, with higher rates in Mediterranean and Temperate Forest provinces and in winter and spring. The mean abundance had a significant direct relationship with host body mass, describing higher rates on heavier individuals. These results suggest that environmental factors such as temperature and food availability, strongly affect the ecology of M. microspinosus. Here we proposed that the southern limit for the genus in Chile is 47°S, mainly, due to colder temperatures. Also, biotic factors such as the weight of unpregnant hosts are relevant in parasite infestations, due to a greater parasitic load capacity by heavier individuals.

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“…as The mites were slide-mounted using Hoyer's medium following the protocols described by Walter and Krantz (2009). For the identification of genera, we used Radovsky (2010), Brennan andGoff (1977), andFonseca (1936). We compared our material for species level with the original descriptions of each species within the genus identified.…”

Section: Mite Morphological Identificationmentioning

confidence: 99%

>b<Ectoparasitofauna (Acari: Ixodida and Gamasida; Insecta:Siphonaptera) from terrestrial mammals>/b<: diversity, taxonomic aspects and associated zoonotic rickettsiales in Legado das Águas - Reserva Votorantim, in Tapiraí and Miracatu, São Paulo

Pesenato

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who gave me the opportunity to learn immensely as a professional and as a person, both in the laboratory and in the field, and for having believed in my potential even before they met me. To MSc. Luís Flávio Costa, MSc.Renato Alvisi and Dr. Ana Rita Nardi for believing that I had the academic profile and for encouraging me to pursue this area since I was in college.To my field trip friends, Herbert Soares, Jaciara Costa, Thiago Fakelmann, Giovanna Nosberto and Mayara Bispo, for always being there to share laughs and sweat during the days and nights of collecting. For all the Legado das Águas team who accompanied our group on the crazy field trips, having fun with us, especially Miguel and José for their help with trails and traps. To the members of the Ribeirão da Anta Community who opened their homes and hearts to welcome us and taught us so much with their years of experience in the forest, especiallyValter for accompanying us on the trails and Val with her delicacies from the gods.To my lab friends who, as well as teaching me so many techniques and tips, also supported me in the endless samples and tests I needed to carry out. To Ryan Silva and Jaciara Costa for welcoming me so well into the 'Tryp/Leish' group and accompanying me during my trial period, to Carolina Serpa for her endless experience with serology, molecular and cell culture and to my 'Ticks' friends for the breakfast conversations and discussions of articles:

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Notas de Ixodologia: IV - considerações sôbre a nomeclatura de algumas espécies do gênero Amblyomma do Brasil e países limítrofes (Acari: Ixodidae)

Cited by 5 publications

References 0 publications

Hosts, distribution and genetic divergence (16S rDNA) of Amblyomma dubitatum (Acari: Ixodidae)

Hosts, distribution and genetic divergence (16S rDNA) of Amblyomma dubitatum (Acari: Ixodidae)

Evaluation of the influence of biotic and abiotic factors on the prevalence and abundance of infestations of Mysolaelaps microspinosus (Fonseca, 1936) (Mesostigmata: Laelapidae) on Oligoryzomys longicaudatus (Bennett, 1832) in Chile

>b<Ectoparasitofauna (Acari: Ixodida and Gamasida; Insecta:Siphonaptera) from terrestrial mammals>/b<: diversity, taxonomic aspects and associated zoonotic rickettsiales in Legado das Águas - Reserva Votorantim, in Tapiraí and Miracatu, São Paulo

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