Results 51 to 60 of about 367 (140)

Fauna triatominae do Estado da Bahia, Brasil II - o gênero Rhodnius, com estudos sobre a genitália (Hemiptera, reduviidae, Triatominae)

open access: yesMemorias do Instituto Oswaldo Cruz, 1974
O Rhodnius neglectus é assinalado para a Fauna do Estado da Bahia como a única espécies do gênero ali ocorrente. Dados sobre sua biologia e a morfologia, são apresentados.
Ítalo A. Sherlock   +2 more
doaj   +1 more source

Rhodnius barretti, a new species of Triatominae (Hemiptera: Reduviidae) from western Amazonia

open access: yesMemorias do Instituto Oswaldo Cruz, 2013
Rhodnius barretti , a new triatomine species, is described based on adult specimens collected in rainforest environments within the Napo ecoregion of western Amazonia (Colombia and Ecuador). R. barretti resembles Rhodnius robustus s.l.
Fernando Abad-Franch   +6 more
doaj   +1 more source

Alkaline phosphatase activity in salivary gland cells of Rhodnius neglectus and R. prolixus (Hemiptera, Triatominae)

open access: yesGenetics and Molecular Research, 2016
Alkaline phosphatase activity was detected in salivary gland cells of the Rhodnius neglectus Lent, 1954, and R. prolixus Stal, 1859, vectors of Trypanosoma cruzi Chagas, 1909 (etiological agent of Chagas disease) and T. rangeli Tejera, 1920 (pathogenic to insect). The Gomori technique was used to demonstrate alkaline phosphatase activity.
Lima-Oliveira, A. P. M.   +3 more
openaire   +3 more sources

Rhodnius neglectus Lent 1954

open access: yes
Rhodnius neglectus Lent, 1954 Fig. 3 Distribution. Acre, Bahia, Distrito Federal, Goiás, Maranhão, Mato Grosso, Mato Grosso do Sul, Minas Gerais, ParaÍba, Pará (this occurrence was recorded for R. milesi, currently a synonym of R. neglectus – Campos et al. 2024), Paraná, Pernambuco, PiauÍ, Rondônia (this occurrence was recorded for R. milesi, currently
Galvão, Cleber   +2 more
openaire   +1 more source

Importância do método de obtenção das dejeções dos triatomíneos na avaliação da suscetibilidade triatomínica para Trypanosoma cruzi

open access: yesRevista da Sociedade Brasileira de Medicina Tropical, 1993
Foi estudada a suscetibilidade de Dipetalogaster maximus, Rhodnius neglectus, R. prolixus, R. robustus, Triatoma infestans e T. rubrovaria ao Trypanosoma cruzi, através do xenodiagnóstico, em dois pacientes na fase aguda da doença de Chagas.
Ionizete Garcia da Silva   +2 more
doaj   +3 more sources

A new species of Rhodnius from Brazil (Hemiptera, Reduviidae, Triatominae)

open access: yesZooKeys, 2017
A colony was formed from eggs of a Rhodnius sp. female collected in Taquarussu, Mato Grosso do Sul, Brazil, and its specimens were used to describe R. taquarussuensis sp. n. This species is similar to R.
João Aristeu da Rosa   +9 more
doaj   +3 more sources

[Comparative biology and feeding behavior of Rhodnius neglectus and Rhodnius robustus (Triatominae) under laboratory conditions].

open access: yesRevista da Sociedade Brasileira de Medicina Tropical, 2012
The vector competence of triatomine insects is determined by studying their biology and feeding behavior under field and/or laboratory conditions. Factors including the number of bites, the amount of blood ingested and defecation time have implications for trypanosome transmission.
Daniella, Barreto-Santana   +3 more
openaire   +1 more source

Biocidal effect of the Annona coriacea Mart 1841 on eggs and nymphs of the vector Rhodnius neglectus Lent 1954

open access: yesNeotropical Biology and Conservation, 2011
The bioassays were conducted to assess the biocidal activity of Annona coriacea seed extract on eggs and newly hatched nymphs of the vector Rhodnius neglectus two application methods, topical and contact. We evaluated the 25, 50, 100 and 200 mg/ml concentrations of extract/solution with the water control in DMSO (2%).
Ângela Pinheiro Carneiro   +2 more
openaire   +2 more sources

Roedores, marsupiais e triatomíneos silvestres capturados no município de Mambaí-Goiás: infecção natural pelo Trypanosoma cruzi Wild marsupials and triatomines captured in Mambaí county, Goiás (Brazil): natural infection by Tripanosoma cruzi

open access: yesRevista de Saúde Pública, 1982
Neste trabalho está descrito aspectos do ciclo silvestre do Trypanosoma cruzi em região do cerrado do Brasil Central, endêmica para doença de Chagas.
Dalva A. Mello
doaj   +1 more source

The utilization of Rhodnius neglectus in xenodiagnosis: a study performed on opossums

open access: yes, 1976
Em marsupiais (Didelphis), portadores de infecção natural pelo T. cruzi, procurou-se levar a efeito xenodiagnósticos com o emprego de ninfas de Rhodnius neglectus e de Triatoma infestans e através do exame periódico de lotes formados por cinco insetos. Pôde-se observar o melhor rendimento por parte do exame do intestino posterior, mediante dissecção. O
Forattini, Oswaldo Paulo   +6 more
openaire   +1 more source

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