Document Detail

Laboratory evaluation of the effects of triflumuron on the development of Rhodnius prolixus nymph.
MedLine Citation:
PMID:  19148427     Owner:  NLM     Status:  MEDLINE    
Studies were carried out to evaluate the efficacy of the growth regulator, triflumuron (TFM) (Starycide sc 480 Bayer), for disrupting the development of Rhodnius prolixus fifth-instar nymph by oral, topical or continuous treatment. All treatments were able to induce high levels of mortality, delay development and molt inhibition. Oral treatment induced molt inhibition in all insects that survived at doses of 0.25, 0.50 and 5.0 mg/mL of a blood meal. The highest levels of both mortality in 24 h and molt inhibition were always observed after topical treatment. The lowest doses needed to obtain considerable biological effects were always observed after continuous treatment. In this way, the highest levels of mortality within 30 days were detected after continuous treatment, which also induced an extended inter-molting period, a lower number of over-aged nymphs and the highest level of molting in nymphs that survived. Moreover, the effects of TFM on insects were often displayed in a dose response manner. These results indicate that TFM acts as a potent growth inhibitor of R. prolixus nymphs and has the potential to be used in integrated vector control programs against hematophagous triatomine species.
C B Mello; D Mendonça-Lopes; D Feder; C D Uzeda; R M Carneiro; M A Rocha; M S Gonzalez
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Publication Detail:
Type:  Evaluation Studies; Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Memórias do Instituto Oswaldo Cruz     Volume:  103     ISSN:  1678-8060     ISO Abbreviation:  Mem. Inst. Oswaldo Cruz     Publication Date:  2008 Dec 
Date Detail:
Created Date:  2009-01-16     Completed Date:  2009-05-01     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  7502619     Medline TA:  Mem Inst Oswaldo Cruz     Country:  Brazil    
Other Details:
Languages:  eng     Pagination:  839-42     Citation Subset:  IM    
Departamento de Biologia Geral, Instituto de Biologia, Universidade Federal Fluminense, Niterói, RJ, Brasil.
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MeSH Terms
Benzamides / pharmacology*
Dose-Response Relationship, Drug
Insecticides / pharmacology*
Nymph / drug effects,  growth & development
Rhodnius / drug effects*,  growth & development
Time Factors
Reg. No./Substance:
0/Benzamides; 0/Insecticides; 64628-44-0/triflumuron

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

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