Ecological aspects of Rhodnius nasutus Stål, 1859 (Hemiptera: Reduviidae: Triatominae) in palms of the Chapada do Araripe in Ceará, Brazil
Mem. Inst. Oswaldo Cruz
; 103(8): 824-830, Dec. 2008. ilus, tab, mapas
Article
en En
| LILACS, SES-SP
| ID: lil-502304
Biblioteca responsable:
BR1.1
ABSTRACT
The aim of this work is to present aspects related to the ecology of Rhodnius nasutus Stål, 1859 in palms from Chapada do Araripe in Ceará, Brazil. The following five species of palms were investigated babaçu (Attalea speciosa), buriti (Mauritia flexuosa), carnaúba (Copernicia prunifera), catolé (Syagrus oleracea) and macaúba-barriguda (Acrocomia intumescens). Fifth palms were dissected (10 specimens for each species). The overall infestation index was 86 percent, with a total of 521 triatomines collected. The Trypanosoma cruzi Chagas, 1909 Index was 16.8 percent and two insects presented mixed infection with Trypanosoma rangeli Tejera, 1920. A precipitin test showed that R. nasutus from palms of Chapada do Araripe are associated with opossum and bird although other possible bloodmeals were observed. Our results showing a high index of infestation of the palms as well as T. cruzi infection, the association of R. nasutus with the most diverse species of palms and proximity of these palms to houses demonstrate the importance of this area for sylvatic T. cruzi transmission and suggest the need for epidemiological surveillance in the region of the Chapada do Araripe.
Palabras clave
Texto completo:
1
Colección:
01-internacional
Base de datos:
LILACS
/
SES-SP
Asunto principal:
Rhodnius
/
Trypanosoma
/
Arecaceae
/
Insectos Vectores
Límite:
Animals
País/Región como asunto:
America do sul
/
Brasil
Idioma:
En
Revista:
Mem. Inst. Oswaldo Cruz
Asunto de la revista:
MEDICINA TROPICAL
/
PARASITOLOGIA
Año:
2008
Tipo del documento:
Article
País de afiliación:
Brasil
Pais de publicación:
Brasil