Taxonomical over splitting in the Rhodnius prolixus (Insecta: Hemiptera: Reduviidae) clade: Are R. Taquarussuensis (da Rosa et al., 2017) and R. Neglectus (Lent, 1954) the same species?

Juliana Damieli Nascimento, João Aristeu Da Rosa, Fabian C. Salgado-Roa, Carolina Hernández, Carolina Pardo-Diaz, Kaio Cesar Chaboli Alevi, Amanda Ravazi, Jader De Oliveira, Maria Tercília Vilela de Azeredo Oliveira, Camilo Salazar, Juan David Ramírez

Resultado de la investigación: Contribución a RevistaArtículo

Resumen

The use of subtle features as species diagnostic traits in taxa with high morphological similarity sometimes fails in discriminating intraspecific variation from interspecific differences, leading to an incorrect species delimitation. A clear assessment of species boundaries is particularly relevant in disease vector organisms in order to understand epidemiological and evolutionary processes that affect transmission capacity. Here, we assess the validity of the recently described Rhodnius taquarussuensis (da Rosa et al., 2017) using interspecific crosses and molecular markers. We did not detect differences in hatching rates in interspecific crosses between R. taquarussuensis and R. neglectus (Lent, 1954). Furthermore, genetic divergence and species delimitation analyses show that R. taquarussuensis is not an independent lineage in the R. prolixus group. These results suggest that R. taquarussuensis is a phenotypic form of R. neglectus instead of a distinct species. We would like to stress that different sources of evidence are needed to correctly delimit species. We consider this is an important step in understanding vectorial Chagas disease spread and transmission.

Idioma originalEnglish (US)
Número de artículoe0211285
PublicaciónPLoS One
Volumen14
N.º2
DOI
EstadoPublished - feb 1 2019

All Science Journal Classification (ASJC) codes

  • Biochemistry, Genetics and Molecular Biology(all)
  • Agricultural and Biological Sciences(all)

Citar esto

Nascimento, Juliana Damieli ; Da Rosa, João Aristeu ; Salgado-Roa, Fabian C. ; Hernández, Carolina ; Pardo-Diaz, Carolina ; Alevi, Kaio Cesar Chaboli ; Ravazi, Amanda ; De Oliveira, Jader ; de Azeredo Oliveira, Maria Tercília Vilela ; Salazar, Camilo ; Ramírez, Juan David. / Taxonomical over splitting in the Rhodnius prolixus (Insecta : Hemiptera: Reduviidae) clade: Are R. Taquarussuensis (da Rosa et al., 2017) and R. Neglectus (Lent, 1954) the same species?. En: PLoS One. 2019 ; Vol. 14, N.º 2.
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title = "Taxonomical over splitting in the Rhodnius prolixus (Insecta: Hemiptera: Reduviidae) clade: Are R. Taquarussuensis (da Rosa et al., 2017) and R. Neglectus (Lent, 1954) the same species?",
abstract = "The use of subtle features as species diagnostic traits in taxa with high morphological similarity sometimes fails in discriminating intraspecific variation from interspecific differences, leading to an incorrect species delimitation. A clear assessment of species boundaries is particularly relevant in disease vector organisms in order to understand epidemiological and evolutionary processes that affect transmission capacity. Here, we assess the validity of the recently described Rhodnius taquarussuensis (da Rosa et al., 2017) using interspecific crosses and molecular markers. We did not detect differences in hatching rates in interspecific crosses between R. taquarussuensis and R. neglectus (Lent, 1954). Furthermore, genetic divergence and species delimitation analyses show that R. taquarussuensis is not an independent lineage in the R. prolixus group. These results suggest that R. taquarussuensis is a phenotypic form of R. neglectus instead of a distinct species. We would like to stress that different sources of evidence are needed to correctly delimit species. We consider this is an important step in understanding vectorial Chagas disease spread and transmission.",
author = "Nascimento, {Juliana Damieli} and {Da Rosa}, {Jo{\~a}o Aristeu} and Salgado-Roa, {Fabian C.} and Carolina Hern{\'a}ndez and Carolina Pardo-Diaz and Alevi, {Kaio Cesar Chaboli} and Amanda Ravazi and {De Oliveira}, Jader and {de Azeredo Oliveira}, {Maria Terc{\'i}lia Vilela} and Camilo Salazar and Ram{\'i}rez, {Juan David}",
year = "2019",
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Taxonomical over splitting in the Rhodnius prolixus (Insecta : Hemiptera: Reduviidae) clade: Are R. Taquarussuensis (da Rosa et al., 2017) and R. Neglectus (Lent, 1954) the same species? / Nascimento, Juliana Damieli; Da Rosa, João Aristeu; Salgado-Roa, Fabian C.; Hernández, Carolina; Pardo-Diaz, Carolina; Alevi, Kaio Cesar Chaboli; Ravazi, Amanda; De Oliveira, Jader; de Azeredo Oliveira, Maria Tercília Vilela; Salazar, Camilo; Ramírez, Juan David.

En: PLoS One, Vol. 14, N.º 2, e0211285, 01.02.2019.

Resultado de la investigación: Contribución a RevistaArtículo

TY - JOUR

T1 - Taxonomical over splitting in the Rhodnius prolixus (Insecta

T2 - Hemiptera: Reduviidae) clade: Are R. Taquarussuensis (da Rosa et al., 2017) and R. Neglectus (Lent, 1954) the same species?

AU - Nascimento, Juliana Damieli

AU - Da Rosa, João Aristeu

AU - Salgado-Roa, Fabian C.

AU - Hernández, Carolina

AU - Pardo-Diaz, Carolina

AU - Alevi, Kaio Cesar Chaboli

AU - Ravazi, Amanda

AU - De Oliveira, Jader

AU - de Azeredo Oliveira, Maria Tercília Vilela

AU - Salazar, Camilo

AU - Ramírez, Juan David

PY - 2019/2/1

Y1 - 2019/2/1

N2 - The use of subtle features as species diagnostic traits in taxa with high morphological similarity sometimes fails in discriminating intraspecific variation from interspecific differences, leading to an incorrect species delimitation. A clear assessment of species boundaries is particularly relevant in disease vector organisms in order to understand epidemiological and evolutionary processes that affect transmission capacity. Here, we assess the validity of the recently described Rhodnius taquarussuensis (da Rosa et al., 2017) using interspecific crosses and molecular markers. We did not detect differences in hatching rates in interspecific crosses between R. taquarussuensis and R. neglectus (Lent, 1954). Furthermore, genetic divergence and species delimitation analyses show that R. taquarussuensis is not an independent lineage in the R. prolixus group. These results suggest that R. taquarussuensis is a phenotypic form of R. neglectus instead of a distinct species. We would like to stress that different sources of evidence are needed to correctly delimit species. We consider this is an important step in understanding vectorial Chagas disease spread and transmission.

AB - The use of subtle features as species diagnostic traits in taxa with high morphological similarity sometimes fails in discriminating intraspecific variation from interspecific differences, leading to an incorrect species delimitation. A clear assessment of species boundaries is particularly relevant in disease vector organisms in order to understand epidemiological and evolutionary processes that affect transmission capacity. Here, we assess the validity of the recently described Rhodnius taquarussuensis (da Rosa et al., 2017) using interspecific crosses and molecular markers. We did not detect differences in hatching rates in interspecific crosses between R. taquarussuensis and R. neglectus (Lent, 1954). Furthermore, genetic divergence and species delimitation analyses show that R. taquarussuensis is not an independent lineage in the R. prolixus group. These results suggest that R. taquarussuensis is a phenotypic form of R. neglectus instead of a distinct species. We would like to stress that different sources of evidence are needed to correctly delimit species. We consider this is an important step in understanding vectorial Chagas disease spread and transmission.

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