Document Detail


Triatoma rubrovaria (Blanchard, 1843) (Hemiptera, Reduviidae, Triatominae) II: trophic resources and ecological observations of five populations collected in the State of Rio Grande do Sul, Brazil.
MedLine Citation:
PMID:  12563478     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
Triatoma rubrovaria has become the most frequently captured triatomine species after the control of T. infestans in the State of Rio Grande do Sul (RS), Brazil. Isoenzymatic and chromatic studies indicate the existence of, at least, two distinct phenotypic patterns of T. rubrovaria in RS. The geographic variation noted through molecular tools may also result in distinct profiles of vectorial potentiality. In order to enhance our understanding of the bionomic knowledge of T. rubrovaria separate batches of the species were collected from different municipalities of RS distant from 72 to 332 km: Santana do Livramento (natural ecotope), Santana do Livramento (artificial ecotope), Santiago (natural ecotope), Cangu u (peridomicile) and Encruzilhada do Sul (natural ecotope). A total of 285 specimens were collected, 85 specimens kept sufficient fecal material in their guts for the precipitin analysis. The results indicated the food eclecticism for this species and the anti-rodent serum showed the highest positivity in most localities. From the total of analyzed samples, only 1.3% of unique positivity for human blood was registered, all of them for Santiago population. This reactivity to human blood may be associated to pastures activities in the field.
Authors:
Carlos Eduardo Almeida; Rosemere Duarte; Raquel Guerra do Nascimento; Raquel S Pacheco; Jane Costa
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't     Date:  2003-01-20
Journal Detail:
Title:  Memórias do Instituto Oswaldo Cruz     Volume:  97     ISSN:  0074-0276     ISO Abbreviation:  Mem. Inst. Oswaldo Cruz     Publication Date:  2002 Dec 
Date Detail:
Created Date:  2003-02-03     Completed Date:  2003-04-18     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  7502619     Medline TA:  Mem Inst Oswaldo Cruz     Country:  Brazil    
Other Details:
Languages:  eng     Pagination:  1127-31     Citation Subset:  IM    
Affiliation:
N cleo de Informatiza o, Cole o Entomol gica, Departamento de Entomologia, Instituto Oswaldo Cruz, Fiocruz, Rio de Janeiro, RJ, 21045-900, Brasil. almeidac@ioc.fiocruz.br
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MeSH Terms
Descriptor/Qualifier:
Animals
Brazil
Ecosystem*
Feeding Behavior / physiology
Humans
Triatoma / classification,  physiology*

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