Impact of insect growth regulators on the predator Ceraeochrysa cincta (Schneider) (Neuroptera : Chrysopidae)

The generalist predator Ceraeochrysa cincta (Schneider) (Neuroptera: Chrysopidae) is an important biological control agent of several arthropod pests in different agroecosystems. This study assessed the lethal and sublethal effects of six insect growth regulators sprayed on first-instar larvae of C....

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Veröffentlicht in:Ecotoxicology (London, England). - 1992. - 25(2016), 5 vom: 21. Juli, Seite 940-9
1. Verfasser: Rugno, Gabriel Rodrigo (VerfasserIn)
Weitere Verfasser: Zanardi, Odimar Zanuzo, Bajonero Cuervo, Johanna, de Morais, Matheus Rovere, Yamamoto, Pedro Takao
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2016
Zugriff auf das übergeordnete Werk:Ecotoxicology (London, England)
Schlagworte:Journal Article Insecticides Lacewings Lethal and sublethal effects Life-table Hydrazines Juvenile Hormones Pyridines Thiadiazines buprofezin mehr... 3B8KGI239I pyriproxyfen 3Q9VOR705O methoxyfenozide 62A22651ZX Diflubenzuron J76U6ZSI8D tebufenozide TNN5MI5EKF
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100 1 |a Rugno, Gabriel Rodrigo  |e verfasserin  |4 aut 
245 1 0 |a Impact of insect growth regulators on the predator Ceraeochrysa cincta (Schneider) (Neuroptera  |b Chrysopidae) 
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520 |a The generalist predator Ceraeochrysa cincta (Schneider) (Neuroptera: Chrysopidae) is an important biological control agent of several arthropod pests in different agroecosystems. This study assessed the lethal and sublethal effects of six insect growth regulators sprayed on first-instar larvae of C. cincta. Lufenuron and diflubenzuron were highly harmful to first-instar larvae of C. cincta, causing 100 % of mortality before they reached the second instar. Buprofezin caused ~25 % mortality of the larvae and considerably reduced the fecundity and longevity of the insects, but substantially increased the proportion of females in the surviving population of C. cincta. Methoxyfenozide and tebufenozide did not affect the duration and survival of the immature stages, but methoxyfenozide significantly reduced the fecundity and longevity of the insects. Pyriproxyfen reduced the survival of the larval stage by 19.5 %, but did not affect the development, survival and reproduction of the surviving individuals. Based on reduction coefficient, the insecticides diflubenzuron and lufenuron were considered harmful to C. cincta, whereas buprofezin and methoxyfenozide were slightly harmful and tebufenozide and pyriproxyfen were harmless. The estimation of life-table parameters indicated that buprofezin and methoxyfenozide significantly reduced the R o , r and λ of C. cincta, whereas pyriproxyfen and tebufenozide caused no adverse effect on population parameters, indicating that these insecticides could be suitable for use in pest management programs towards the conservation and population increase of the predator in agroecosystems. However, more studies should be conducted to evaluate the compatibility of these insecticides with the predator C. cincta under semi-field and field conditions 
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650 4 |a Lacewings 
650 4 |a Lethal and sublethal effects 
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650 7 |a Juvenile Hormones  |2 NLM 
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650 7 |a methoxyfenozide  |2 NLM 
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650 7 |a Diflubenzuron  |2 NLM 
650 7 |a J76U6ZSI8D  |2 NLM 
650 7 |a tebufenozide  |2 NLM 
650 7 |a TNN5MI5EKF  |2 NLM 
700 1 |a Zanardi, Odimar Zanuzo  |e verfasserin  |4 aut 
700 1 |a Bajonero Cuervo, Johanna  |e verfasserin  |4 aut 
700 1 |a de Morais, Matheus Rovere  |e verfasserin  |4 aut 
700 1 |a Yamamoto, Pedro Takao  |e verfasserin  |4 aut 
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