2011
DOI: 10.1590/s0037-86822011000400018
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Biologia comparativa e comportamento alimentar de Rhodnius neglectus e Rhodnius robustus (Triatominae) sob condições de laboratório

Abstract: RESUMOIntrodução: A competência vetorial de triatomíneos é determinada a partir de estudos sobre biologia e comportamento alimentar em condições de campo e/ou laboratório. Fatores como número de picadas, quantidade de sangue ingerido e tempo de defecação têm implicações na transmissão de tripanosomatídeos. Parâmetros biológicos e comportamentais de Rhodnius neglectus e R. robustus foram comparados experimentalmente para estimar diferenças no potencial de transmissão de tripanosomatídeos. Métodos: Os triatomíne… Show more

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Cited by 15 publications
(5 citation statements)
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References 30 publications
(34 reference statements)
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“…However, for R. pictipes in the same nymphal stage, it has been reported that blood intake ranges from 127.40 to 199.50 mg [ 20 , 32 ]. Therefore, the data in the present study show that R. robustus can ingest up to twice the volume of blood ingested by R. pictipes (730.0 vs. 465.0 mg), corroborating the results of other authors [ 20 , 32 , 48 , 49 ].…”
Section: Discussionsupporting
confidence: 93%
See 1 more Smart Citation
“…However, for R. pictipes in the same nymphal stage, it has been reported that blood intake ranges from 127.40 to 199.50 mg [ 20 , 32 ]. Therefore, the data in the present study show that R. robustus can ingest up to twice the volume of blood ingested by R. pictipes (730.0 vs. 465.0 mg), corroborating the results of other authors [ 20 , 32 , 48 , 49 ].…”
Section: Discussionsupporting
confidence: 93%
“…Adult insects of the R. robustus species are known to be larger, measuring between 20 and 26 mm in length, while the adult insects of R. pictipes are between 18 and 22 mm in length [ 47 ]. Barreto-Santana et al [ 48 ] compared the blood intake between the different developmental stages of R. robustus and R. neglectus and reported that the highest intake was for the fifth-instar nymphs of R. robustus , while Rubio et al [ 49 ] showed that fifth-instar nymphs of R. robustus ingest, on average, 337.19 mg of blood. However, for R. pictipes in the same nymphal stage, it has been reported that blood intake ranges from 127.40 to 199.50 mg [ 20 , 32 ].…”
Section: Discussionmentioning
confidence: 99%
“…Estos resultados difieren a los informados por Barreto-Santana, et al (20), ya que estos autores no mencionan deyecciones durante el período de ingestión, sólo hasta dos minutos después de haberla terminado. Arévalo,et al (18), informan que R. prolixus defeca sobre el huésped cuando todavía está ingiriendo sangre, mientras que las ninfas N1 y los machos son los únicos estadios de R. colombiensis que lo hacen sobre el huésped, pero con promedios que no superan una deyección por insecto.…”
Section: Discussionunclassified
“…This result reflects the favourability of the maintenance conditions for the development of M. longipennis. It could also indicate a potential risk of an increase in the abundance of any of those populations under favourable conditions, similar to Rhodnius neglectus Lent, 1954 and Rhodnius robustus Larrouse, 1927(Barreto-Santana et al 2011). This finding could result in an increase in the risk for transmission of T. cruzi to hosts in the distribution areas for M. longipennis species.…”
mentioning
confidence: 99%