Document Detail

Resistance to starvation of Triatoma rubrofasciata (De Geer, 1773) under laboratory conditions (Hemiptera: Reduviidae: Triatominae).
MedLine Citation:
PMID:  9711348     Owner:  NLM     Status:  MEDLINE    
The present work aims at learning the period of resistance to starvation (molting/death) of Triatoma rubrofasciata in different stages of development and the respective loss of weight until death. Eggs of specimens from the greater area of the city of São Luis in the State of Maranhão, Brazil, yielded approximately 300 nymphs. These nymphs were placed in labelled Borrel glasses, in which they were weekly fed on rats (Rattus norvegicus), until reaching the stage to be observed. The experiments were conducted in a climatic chamber regulated at 29 +/- 1 degrees C, 70% relative humidity and 12 hr photoperiod. The resistance to starvation increased according to the stage of development, except for adult bugs, whose results were similar to the 3rd stage nymphs. In all these development stages there was an abrupt loss of weight in the first week, followed by a gradual loss until death. Comparing this work with those of other authors, it was observed that T. rubrofasciata is among the less resistant triatomine species.
M G Cortéz; T C Gonçalves
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Memórias do Instituto Oswaldo Cruz     Volume:  93     ISSN:  0074-0276     ISO Abbreviation:  Mem. Inst. Oswaldo Cruz     Publication Date:    1998 Jul-Aug
Date Detail:
Created Date:  1998-10-20     Completed Date:  1998-10-20     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:  549-54     Citation Subset:  IM    
Laboratório Nacional e Internacional de Referência em Taxonomia de Triatomíneos, Departamento de Entomologia, Instituto Oswaldo Cruz, Rio de Janeiro, RJ, Brasil.
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MeSH Terms
Arthropod Vectors / growth & development*,  physiology
Life Cycle Stages*
Time Factors
Triatoma / growth & development*,  physiology
Weight Loss*

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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