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Memórias do Instituto Oswaldo Cruz
Fundação Oswaldo Cruz, Fiocruz
ISSN: 1678-8060
EISSN: 1678-8060
Vol. 92, No. 2, 1997, pp. 263-268
Bioline Code: oc97052
Full paper language: English
Document type: Research Article
Document available free of charge

Memórias do Instituto Oswaldo Cruz, Vol. 92, No. 2, 1997, pp. 263-268

 en Biomorphological alterations induced by an anti-juvenile hormonal compound, 2-(2-ethoxyethoxy)ethyl furfuryl ether, on three species of Triatominae larvae (Hemiptera, Reduviidae)
Jose Jurberg; Cleber Galvao; William S Bowers; Eloi S Garcia & Patricia Azambuja

Abstract

Applied topically to larvae of Rhodnius prolixus Stal, Triatoma infestans
(Klug) and Panstrongylus herreri Wygodzinsky, vectors of Trypanosoma cruzi,
the causative agent of Chagas'disease, a synthetic, furan-containing
anti-juvenile hormonal compound, 2-(2-ethoxyethoxy)ethyl furfuryl ether
induced a variety of biomorphological alterations, including precocious
metamorphosis into small adultoids with adult abdominal cuticle, ocelli, as
well as rudimentary adultoid wings. Some adultoids died during ecdysis and
were confined within the old cuticle. The extension of these
biomorphological responses is discussed in terms of the complexity of the
action of anti-juvenile hormonal compounds during the development of
triatomines.

Keywords
Rhodnius prolixus - Triatoma infestans - Panstrongylus herreri - adultoid - anti-juveline hormone

 
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