Influência da temperatura na biologia de triatomíneos: IX. Rhodnius nasutus Stal, 1859 (Hemiptera, Reduviidae)

Ig, da Silva; Hh, da Silva

doi:10.1590/s0074-02761989000300013

Cited by 17 publications

(17 citation statements)

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“…The mean lifespans in this study (17.8 days for males and 22.3 days for females) were much lower than the 21,22 lifespans observed by Mascarenhas , (51.5 days for males and 57.5 days for females) under similar conditions 23 (26° C, 75% RH). Silva and Silva also observed a longer lifespan (45.2 days for males and 38.9 days for females), although at a higher temperature (30° C, 70 ± 5% HR).…”

Section: Discussioncontrasting

confidence: 67%

Avaliação em laboratório da atividade de voo de Rhodnius brethesi Matta, 1919, potencial vetor silvestre do Trypanosoma cruzi na Amazônia Brasileira. (Hemiptera:Reduviidae:Triatominae)

et al. 2011

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into five tribes and 18 genera, are currently known , including the first fossil species, which was recently 4 described .Rhodnius brethesi, known locally as "piolho da piaçaba" (piassaba lice), is a sylvatic species found in the native palm tree piassaba Leopoldina piassaba, in Amazonas State, Brazil. Transmission of Trypanosoma cruzi to families working on the extraction of piassaba fibers has been recorded in the Municipality of Barcelos, north of the Negro 5,6,7,8 River, in the natural ecotope of R. brethesi .Infection of humans, reservoirs and vectors with T. cruzi and autochthonous cases of Chagas disease have been reported in most countries in the Amazon Basin. Interest in Chagas disease has increased over the past two decades in this area. The Amazon Region is characterized by the absence of vector domiciliation and dispersal of native species, mostly within the genus Rhodnius. This situation may change due to continuous deforestation and the immigration of human populations from other regions.Passive dispersal of triatomines depends on the habits and behavior of their hosts. Several authors have reported the involuntary transport of triatomines in clothing, utensils 9 and vehicles . The feathers of migratory birds also act as excellent vehicles for the dispersal of eggs and even 10,11,12,13 nymphs . Active dispersal may occur by walking, for nymphs and adults, but mostly occurs by adult flight.14 Abrahan et al have recently analyzed active dispersal (by flying and walking) and the role of chickens as passive ABSTRACTThe flight ability of Rhodnius brethesi was evaluated through laboratory observations, and it was correlated with the quantity of blood ingested, gender and fasting period. A total of 65 insects were analyzed: 27 males and 38 females; their mean survival period was 17.8 and 22.3 days, respectively. Most of the insects started flying after 13 days.

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Section: Discussioncontrasting

confidence: 67%

Avaliação em laboratório da atividade de voo de Rhodnius brethesi Matta, 1919, potencial vetor silvestre do Trypanosoma cruzi na Amazônia Brasileira. (Hemiptera:Reduviidae:Triatominae)

et al. 2011

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“…Silva and Silva (1989) looked at the influence of temperature on the biology of this triatomine and found its life cycle to be much shorter at 30ºC than at 25ºC. The insects also ingested more blood and had higher fecundity at the higher temperature.…”

Section: Discussionmentioning

confidence: 99%

Ecological aspects of Rhodnius nasutus Stål, 1859 (Hemiptera: Reduviidae: Triatominae) in palms of the Chapada do Araripe in Ceará, Brazil

Dias¹,

Bezerra

Machado

et al. 2008

Mem. Inst. Oswaldo Cruz

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“…En consecuencia, es difícil comparar los resultados sobre ciclos de vida existentes en la literatura, debido a las variaciones experimentales de cada trabajo. Por ejemplo, para algunas especies de Rhodnius se han reportado promedios de 102 y 120 días, como es el caso de R. ecuadoriensis (15); de 101, 127 y 209,4 días para R. nasutus (16,17); de 104, 131, 154,2 y 177,1 días para R. neglectus (18,19); de 181,2, 118, 86,7 y 68,9 días para R. neivai (20,21); de 212 y 126 días para R. pallescens (22); de 190,7, 278 y 118 días para R. pictipes (20,23,24); de 114, 140 y 118 días para R. prolixus (20,25), y de 114 y 135 días para R. robustus (26). En otros géneros de triatominos se han observado promedios de 196,8 y 189,5 días para Meccus picturatus (27); de 230,3 días para Triatoma flavida (28), y de 180,1 días para T. rubrovaria (29).…”

Section: Ciclo De Vidaunclassified

Comparación del ciclo de vida de Rhodnius colombiensis Moreno, Jurberg & Galvão, 1999 y Rhodnius prolixus Stal, 1872(Hemiptera, Reduviidae, Triatominae) en condiciones de laboratorio

et al. 2007

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Introducción. Rhodnius colombiensis es un triatomino silvestre asociado a palmas de vino (Attalea butyracea) en la cuenca alta del río Magdalena (Colombia). La frecuente invasión de estos vectores al domicilio y las elevadas prevalencias de Trypanosoma cruzi en infecciones naturales constituyen un riesgo en la transmisión de la enfermedad de Chagas. Objetivo. Comparar la duración del ciclo de vida de R. colombiensis y R. prolixus en condiciones de laboratorio. Materiales y métodos. Se utilizaron 92 insectos de cada especie. Se estudió la duración de cada estadio, el número de comidas por estadio, el porcentaje de mortalidad, la causa de muerte, el promedio de huevos puestos por cada hembra, el número de huevos fértiles y la longevidad de los adultos. Resultados. Los promedios de duración de todos los estadios de desarrollo de R. colombiensis fueron mayores que en R. prolixus, presentando diferencias significativas en el tiempo transcurrido desde huevo hasta adulto. Los promedios de huevos puestos y huevos fértiles, presentaron diferencias significativas, siendo mayores en R. prolixus que en R. colombiensis. El porcentaje total de mortalidad de R. colombiensis fue de 31,5% y de 6,5% para R. prolixus. La longevidad en las hembras fue mayor en R. prolixus. Conclusiones. Los estadios de R. prolixus tienen menor duración, las ninfas en general realizan menor número de comidas que R. colombiensis, los adultos de R. prolixus toman mayor número de comidas y ovipositan mayor número de huevos fértiles, presentando hembras con mayor longevidad. Todos estos parámetros indican que R. prolixus presenta mejor éxito reproductivo que R. colombiensis, en las condiciones experimentales utilizadas. Los datos inéditos sobre el ciclo de vida de R. colombiensis serán de utilidad para el mantenimiento de las colonias en el laboratorio. Materials and methods. Ninety-two individuals for each species were studied. The mean duration time of each stage, the number of bloodmeals for each stage, the percentage of mortality, the cause of death, the mean of eggs laid by female, the number of fertile eggs and the longevity of adults were recorded. Results. The mean duration time of all stages of R. colombiensis was higher than in R. prolixus, producing significant differences in the overall time from egg to adult. The mean of total eggs and fertile eggs showed significant differences, being higher in R. prolixus than in R. colombiensis. The total mortality was 31.5% for R. colombiensis and 6.5% for R. prolixus. The longevity of females was higher in R. prolixus. Conclusions. The stages of R. prolixus are of relatively short duration. In general, the nymphs take fewer bloodmeals than R. colombiensis, the adults take more bloodmeals and oviposit a larger number of fertile eggs, and females have a greater longevity. These parameters indicated that R. prolixus has superior reproductive success in comparison with R. colombiensis under the experimental conditions used. These new life cycle data of R. colombiensis will be useful for maintenance of labo...

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Influência da temperatura na biologia de triatomíneos: IX. Rhodnius nasutus Stal, 1859 (Hemiptera, Reduviidae)

Cited by 17 publications

References 0 publications

Avaliação em laboratório da atividade de voo de Rhodnius brethesi Matta, 1919, potencial vetor silvestre do Trypanosoma cruzi na Amazônia Brasileira. (Hemiptera:Reduviidae:Triatominae)

Avaliação em laboratório da atividade de voo de Rhodnius brethesi Matta, 1919, potencial vetor silvestre do Trypanosoma cruzi na Amazônia Brasileira. (Hemiptera:Reduviidae:Triatominae)

Ecological aspects of Rhodnius nasutus Stål, 1859 (Hemiptera: Reduviidae: Triatominae) in palms of the Chapada do Araripe in Ceará, Brazil

Comparación del ciclo de vida de Rhodnius colombiensis Moreno, Jurberg & Galvão, 1999 y Rhodnius prolixus Stal, 1872(Hemiptera, Reduviidae, Triatominae) en condiciones de laboratorio

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