Lethal and Sublethal Effects of Methoxyfenozide on the Development, Survival and Reproduction on of the Fall Armyworm, Spodoptera frugiperda (J. E. Smith) (Lepidoptera: Noctuidae)

Zarate, N. and Diaz, O. and Martinez, A.M. and Figueroa, J.I. and Schneider, M.I. and Smagghe, Guy and Viñuela Sandoval, Elisa and Budia Marigil, Maria Flor (2011). Lethal and Sublethal Effects of Methoxyfenozide on the Development, Survival and Reproduction on of the Fall Armyworm, Spodoptera frugiperda (J. E. Smith) (Lepidoptera: Noctuidae). "Neotropical Entomology", v. 40 (n. 1); pp. 129-137. ISSN 1519-566X. https://doi.org/10.1590/S1519-566X2011000100020.

Description

Title: Lethal and Sublethal Effects of Methoxyfenozide on the Development, Survival and Reproduction on of the Fall Armyworm, Spodoptera frugiperda (J. E. Smith) (Lepidoptera: Noctuidae)
Author/s:
  • Zarate, N.
  • Diaz, O.
  • Martinez, A.M.
  • Figueroa, J.I.
  • Schneider, M.I.
  • Smagghe, Guy
  • Viñuela Sandoval, Elisa
  • Budia Marigil, Maria Flor
Item Type: Article
Título de Revista/Publicación: Neotropical Entomology
Date: February 2011
ISSN: 1519-566X
Volume: 40
Subjects:
Freetext Keywords: Ecdysone agonist, insect growth regulator, reproductive parameter
Faculty: E.T.S.I. Agrónomos (UPM) [antigua denominación]
Department: Producción Vegetal: Botánica y Protección Vegetal [hasta 2014]
Creative Commons Licenses: Recognition - No derivative works - Non commercial

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Abstract

The lethal and sublethal effects of the ecdysone agonist methoxyfenozide on the fall armyworm, Spodoptera frugiperda (J. E. Smith), were investigated by feeding a methoxyfenozide-treated diet to fifth instars until pupation in doses corresponding to the LC10 and LC25 for the compound. Larval mortality reached 8% and 26% in the low and high concentration groups, respectively, on the seventh day of the experiment. A progressive larval mortality of 12% for the LC10 and 60% for the LC25 was observed before pupation. Treated larvae exhibited lower pupal weights, higher pupal mortality, presence of deformed pupae, and more deformed adults than untreated larvae. The incorporation of methoxyfenozide into the diet had a significant effect on the timing of larval development. The development period for males and females was about seven days longer than the controls for both concentrations tested. In contrast, the compound affected neither pupae nor adult longevity. Finally, S. frugiperda adults that resulted from fifth instars treated with methoxyfenozide were not affected in their mean cumulative number of eggs laid per female (fecundity), nor percentages of eggs hatched (fertility), or the sex ratio. Our results suggest that the combination of lethal and sublethal effects of methoxyfenozide may have important implications for the population dynamics of the fall armyworm.

More information

Item ID: 8388
DC Identifier: http://oa.upm.es/8388/
OAI Identifier: oai:oa.upm.es:8388
DOI: 10.1590/S1519-566X2011000100020
Official URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1519-566X2011000100020
Deposited by: Memoria Investigacion
Deposited on: 26 Aug 2011 09:48
Last Modified: 27 Apr 2016 11:02
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