Description and characterization of the melanic morphotype of Rhodnius nasutus Stål, 1859 (Hemiptera: Reduviidae: Triatominae)

Introduction For the first time we provide the description of the melanic (dark) morphotype of Rhodnius nasutus and determine the pattern of genetic inheritance for this characteristic. Methods Dark morph R. nasutus specimens were crossbred with standard (typically patterned) R. nasutus. Results...

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Main Authors: Fernando Braga Stehling Dias, Nicolás Jaramillo-O, Liléia Diotaiuti
Format: Article
Language:English
Published: Sociedade Brasileira de Medicina Tropical (SBMT) 2014-10-01
Series:Revista da Sociedade Brasileira de Medicina Tropical
Subjects:
Online Access:http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0037-86822014000500637&lng=en&tlng=en
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author Fernando Braga Stehling Dias
Nicolás Jaramillo-O
Liléia Diotaiuti
author_facet Fernando Braga Stehling Dias
Nicolás Jaramillo-O
Liléia Diotaiuti
author_sort Fernando Braga Stehling Dias
collection DOAJ
description Introduction For the first time we provide the description of the melanic (dark) morphotype of Rhodnius nasutus and determine the pattern of genetic inheritance for this characteristic. Methods Dark morph R. nasutus specimens were crossbred with standard (typically patterned) R. nasutus. Results We present the first occurrence of the melanic morphotype in the genus Rhodnius. The crossbreeding results demonstrate that the inheritance pattern of this characteristic follows Mendel's simple laws of segregation and an independent assortment of alleles. Conclusions Phenotypic variation of R. nasutus reinforces the heterogeneity found in the Triatominae. Descriptions of new species in this subfamily require rigorous validation criteria.
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spelling doaj.art-0039790f775c4c1d9584a0316dc60baf2022-12-22T03:29:22ZengSociedade Brasileira de Medicina Tropical (SBMT)Revista da Sociedade Brasileira de Medicina Tropical1678-98492014-10-0147563764110.1590/0037-8682-0007-2014S0037-86822014000500637Description and characterization of the melanic morphotype of Rhodnius nasutus Stål, 1859 (Hemiptera: Reduviidae: Triatominae)Fernando Braga Stehling DiasNicolás Jaramillo-OLiléia DiotaiutiIntroduction For the first time we provide the description of the melanic (dark) morphotype of Rhodnius nasutus and determine the pattern of genetic inheritance for this characteristic. Methods Dark morph R. nasutus specimens were crossbred with standard (typically patterned) R. nasutus. Results We present the first occurrence of the melanic morphotype in the genus Rhodnius. The crossbreeding results demonstrate that the inheritance pattern of this characteristic follows Mendel's simple laws of segregation and an independent assortment of alleles. Conclusions Phenotypic variation of R. nasutus reinforces the heterogeneity found in the Triatominae. Descriptions of new species in this subfamily require rigorous validation criteria.http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0037-86822014000500637&lng=en&tlng=enTriatominaeRhodnius nasutusDark morphCross-experimentMelanic pattern
spellingShingle Fernando Braga Stehling Dias
Nicolás Jaramillo-O
Liléia Diotaiuti
Description and characterization of the melanic morphotype of Rhodnius nasutus Stål, 1859 (Hemiptera: Reduviidae: Triatominae)
Revista da Sociedade Brasileira de Medicina Tropical
Triatominae
Rhodnius nasutus
Dark morph
Cross-experiment
Melanic pattern
title Description and characterization of the melanic morphotype of Rhodnius nasutus Stål, 1859 (Hemiptera: Reduviidae: Triatominae)
title_full Description and characterization of the melanic morphotype of Rhodnius nasutus Stål, 1859 (Hemiptera: Reduviidae: Triatominae)
title_fullStr Description and characterization of the melanic morphotype of Rhodnius nasutus Stål, 1859 (Hemiptera: Reduviidae: Triatominae)
title_full_unstemmed Description and characterization of the melanic morphotype of Rhodnius nasutus Stål, 1859 (Hemiptera: Reduviidae: Triatominae)
title_short Description and characterization of the melanic morphotype of Rhodnius nasutus Stål, 1859 (Hemiptera: Reduviidae: Triatominae)
title_sort description and characterization of the melanic morphotype of rhodnius nasutus stal 1859 hemiptera reduviidae triatominae
topic Triatominae
Rhodnius nasutus
Dark morph
Cross-experiment
Melanic pattern
url http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0037-86822014000500637&lng=en&tlng=en
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