Fertility and life expectancy of the predator Supputius cincticeps (Heteroptera: Pentatomidae) exposed to sublethal doses of permethrin

The stinkbug Supputius cincticeps (Stål) (Heteroptera: Pentatomidae) can be found in agricultural and forest ecosystems feeding primarily on larvae of Coleoptera and Lepidoptera, where it can be exposed to insecticide applications. This study therefore aimed to evaluate the reproductive potential of...

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Autores principales:	ZANUNCIO,TERESINHA V, ZANUNCIO,JOSÉ C, SERRÃO,JOSÉ E, MEDEIROS,RÔMULO S, PINON,TOBÍAS BM, SEDIYAMA,CAMILLA AZ
Lenguaje:	English
Publicado:	Sociedad de Biología de Chile 2005
Materias:	Asopinae biological control pyrethroids reproduction
Acceso en línea:	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0716-97602005000100005
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spelling	oai:scielo:S0716-976020050001000052005-07-06Fertility and life expectancy of the predator Supputius cincticeps (Heteroptera: Pentatomidae) exposed to sublethal doses of permethrinZANUNCIO,TERESINHA VZANUNCIO,JOSÉ CSERRÃO,JOSÉ EMEDEIROS,RÔMULO SPINON,TOBÍAS BMSEDIYAMA,CAMILLA AZ Asopinae biological control pyrethroids reproduction The stinkbug Supputius cincticeps (Stål) (Heteroptera: Pentatomidae) can be found in agricultural and forest ecosystems feeding primarily on larvae of Coleoptera and Lepidoptera, where it can be exposed to insecticide applications. This study therefore aimed to evaluate the reproductive potential of'S. cincticeps after exposition to sublethal doses of permethrin (5.74 x 10-3, 5.74 x 10-2, 5.74 x 10-1, 5.74 and 57.44 ppb) through the use of a fertility life table. The development cycle of this predator was determined in order to calculate its net reproductive rate (R0), the infinitesimal (r m) and finite (λ) rates of increase in addition to mean generation time (T). The net reproductive (18.31), infinitesimal (r m) (0.050) and finite (λ) (1.051) rates of increase were higher, while generation time (57.93 days) was shorter for S. cincticeps exposed to 5.74x10-1 ppb of permethrin than in the control. This indicates a higher rate of population increase of this predator when exposed to this permethrin doseinfo:eu-repo/semantics/openAccessSociedad de Biología de ChileBiological Research v.38 n.1 20052005-01-01text/htmlhttp://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0716-97602005000100005en10.4067/S0716-97602005000100005
institution	Scielo Chile
collection	Scielo Chile
language	English
topic	Asopinae biological control pyrethroids reproduction
spellingShingle	Asopinae biological control pyrethroids reproduction ZANUNCIO,TERESINHA V ZANUNCIO,JOSÉ C SERRÃO,JOSÉ E MEDEIROS,RÔMULO S PINON,TOBÍAS BM SEDIYAMA,CAMILLA AZ Fertility and life expectancy of the predator Supputius cincticeps (Heteroptera: Pentatomidae) exposed to sublethal doses of permethrin
description	The stinkbug Supputius cincticeps (Stål) (Heteroptera: Pentatomidae) can be found in agricultural and forest ecosystems feeding primarily on larvae of Coleoptera and Lepidoptera, where it can be exposed to insecticide applications. This study therefore aimed to evaluate the reproductive potential of'S. cincticeps after exposition to sublethal doses of permethrin (5.74 x 10-3, 5.74 x 10-2, 5.74 x 10-1, 5.74 and 57.44 ppb) through the use of a fertility life table. The development cycle of this predator was determined in order to calculate its net reproductive rate (R0), the infinitesimal (r m) and finite (λ) rates of increase in addition to mean generation time (T). The net reproductive (18.31), infinitesimal (r m) (0.050) and finite (λ) (1.051) rates of increase were higher, while generation time (57.93 days) was shorter for S. cincticeps exposed to 5.74x10-1 ppb of permethrin than in the control. This indicates a higher rate of population increase of this predator when exposed to this permethrin dose
author	ZANUNCIO,TERESINHA V ZANUNCIO,JOSÉ C SERRÃO,JOSÉ E MEDEIROS,RÔMULO S PINON,TOBÍAS BM SEDIYAMA,CAMILLA AZ
author_facet	ZANUNCIO,TERESINHA V ZANUNCIO,JOSÉ C SERRÃO,JOSÉ E MEDEIROS,RÔMULO S PINON,TOBÍAS BM SEDIYAMA,CAMILLA AZ
author_sort	ZANUNCIO,TERESINHA V
title	Fertility and life expectancy of the predator Supputius cincticeps (Heteroptera: Pentatomidae) exposed to sublethal doses of permethrin
title_short	Fertility and life expectancy of the predator Supputius cincticeps (Heteroptera: Pentatomidae) exposed to sublethal doses of permethrin
title_full	Fertility and life expectancy of the predator Supputius cincticeps (Heteroptera: Pentatomidae) exposed to sublethal doses of permethrin
title_fullStr	Fertility and life expectancy of the predator Supputius cincticeps (Heteroptera: Pentatomidae) exposed to sublethal doses of permethrin
title_full_unstemmed	Fertility and life expectancy of the predator Supputius cincticeps (Heteroptera: Pentatomidae) exposed to sublethal doses of permethrin
title_sort	fertility and life expectancy of the predator supputius cincticeps (heteroptera: pentatomidae) exposed to sublethal doses of permethrin
publisher	Sociedad de Biología de Chile
publishDate	2005
url	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0716-97602005000100005
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Fertility and life expectancy of the predator Supputius cincticeps (Heteroptera: Pentatomidae) exposed to sublethal doses of permethrin

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