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Blockage of embryonic development in Panstrongylus megistus by juvenile hormone analogues

Published online by Cambridge University Press:  19 September 2011

A. M. Oliveira Filho ,
R. Pinchin ,
M. J. Figueiredo  and
C. A. Muller
A. M. Oliveira Filho
Affiliation:
Núcleo de Pesquisas de Produtos Naturais, Cêntro de Ciências de Saúde, Bloco H, Universidade Federal do Rio de Janeiro, 21941, Rio de Janeiro, Brazil
R. Pinchin
Affiliation:
Núcleo de Pesquisas de Produtos Naturais, Cêntro de Ciências de Saúde, Bloco H, Universidade Federal do Rio de Janeiro, 21941, Rio de Janeiro, Brazil
M. J. Figueiredo
Affiliation:
Núcleo de Pesquisas de Produtos Naturais, Cêntro de Ciências de Saúde, Bloco H, Universidade Federal do Rio de Janeiro, 21941, Rio de Janeiro, Brazil
C. A. Muller
Affiliation:
Núcleo de Pesquisas de Produtos Naturais, Cêntro de Ciências de Saúde, Bloco H, Universidade Federal do Rio de Janeiro, 21941, Rio de Janeiro, Brazil
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Abstract

The effect of five juvenile hormone analogues (JHAs) on the embryonic development of Panstrongylus megistus, a vector of Chagas' disease, was studied. Four compounds, N-(2,5-dichlorophenyl)-3, 7-dimethyl-2™6-octadienylamine, N-(5-chloro-2-methylphenyl)-3, 7-dimethyl-2, 6-octadienylamine, 3,7-dimethyl-6, 7-epoxy-l-(3,4-methylenedioxyphenoxy)-2-nonene, and 6, 7-epoxy-3-ethyl-7-methyl-l-(3, 4-methylenedioxyphenoxy)-2-nonene, which are potent JHAs for P. megistus, were effective in blocking eclosion when applied at 0.5μg/egg to eggs during the first half of embryonic development. If these compounds were applied after the start of blastokinesis, then they were no longer active as ovicides. The possibility is raised that JHAs may be useful as control agents in complementation with insecticides which do not possess ovicidal activity.

Keywords

Panstrongylus megistusTriatominesembryonic development blockagejuvenile hormone mimics
Type
Research Articles
Information
International Journal of Tropical Insect Science , Volume 5 , Issue 2 , April 1984 , pp. 127 - 130
Copyright
Copyright © ICIPE 1984

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