Fecha/hora: 03/06/2024 20:02:44

Biblioteca(s): | INIA Las Brujas.
Fecha corriente: | 23/07/2021
Fecha de la última actualización: | 23/07/2021
Autoria: | SESSA, L.; CALDERÓN-FERNÁNDEZ, G.M.; ABREO, E.; ALTIER, N.; MIJAILOVSKY, S.J.; GIROTTI, J.R.; PEDRINI, N.
Afiliación: | LUCÍA OLGA SESSA JUSID, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay.; GUSTAVO M. CALDERÓN-FERNÁNDEZ, Instituto de Investigaciones Bioquímicas de La Plata (INIBIOLP), CCT La Plata Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET) - Universidad Nacional de La Plata (UNLP), La Plata, Argentina; EDUARDO RAUL ABREO GIMENEZ, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay; NORA ADRIANA ALTIER MANZINI, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay; SERGIO J. MIJAILOVSKY, Instituto de Investigaciones Bioquímicas de La Plata (INIBIOLP), CCT La Plata Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET) - Universidad Nacional de La Plata (UNLP), La Plata, Argentina; JUAN R. GIROTTI, Instituto de Investigaciones Bioquímicas de La Plata (INIBIOLP), CCT La Plata Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET) - Universidad Nacional de La Plata (UNLP), La Plata, Argentina; NICOLÁS PEDRINI, Instituto de Investigaciones Bioquímicas de La Plata (INIBIOLP), CCT La Plata Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET) - Universidad Nacional de La Plata (UNLP), La Plata, Argentina.
Título: | Epicuticular hydrocarbons of the redbanded stink bug Piezodorus guildinii (Heteroptera: Pentatomidae): sexual dimorphism and alterations in insects collected in insecticide-treated soybean crops.
Año de publicación: | 2021
Fuente/Imprenta: | Pest Management Science, 2021. Doi: https://doi.org/10.1002/ps.6528
ISSN: | 1526-498X
DOI: | 10.1002/ps.6528
Idioma: | Inglés

Notas:

Article history: Received 8 June 2021, Accepted article published, 24 June 2021.
This work was financed by Agencia Nacional de Investigación e Innovación (ANII) grant POS_NAC_2016_1_130245 and Instituto Nacional de Investigación Agropecuaria (INIA Uruguay) Projects SA24 and SA47, and by Agencia Nacional de Promoción Científica y Tecnológica, grant PICT 2015 2763, Argentina. Assistance of Mabel Pessio from INIA Estanzuela is acknowledged.
Corresponde: Girotti, J.R.; Instituto de Investigaciones Bioquímicas de La Plata (INIBIOLP), CCT La Plata Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET) - Universidad Nacional de La Plata (UNLP), La Plata, Argentina; email:jgirotti@med.unlp.edu.ar  -  Pedrini, N.; Instituto de Investigaciones Bioquímicas de La Plata (INIBIOLP), CCT La Plata Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET) - Universidad Nacional de La Plata (UNLP), La Plata, Argentina; email:npedrini@med.unlp.edu.ar

Contenido:

ABSTRACT - BACKGROUND: The redbanded stink bug Piezodorus guildinii (Heteroptera: Pentatomidae) is one of the most important species affecting soybean crops in southern South America. Capillary gas chromatography coupled to mass spectrometry was used to characterize the epicuticular hydrocarbon profiles of field-collected insects, and to identify differences in their composition between fifth-instar nymphs and adults, males and females, and between bugs collected in insecticide-treated and insecticide-free soybean crops. RESULTS: Straight chain saturated n-C27 and n-C29, and monomethyl and dimethyl chains of C31 and C33 were the most abundant compounds. A group of volatile hydrocarbons with n-C13 and n-C15 as the predominant compounds were also detected. The hydrocarbon pattern was different between nymphs and adults, either males or females. Heneicosene was almost exclusively detected in adult males and was the most important component to differentiate between both sexes, followed by tricosadiene. The total hydrocarbon amount was significantly higher in nymphs, males and females collected in insecticide-treated fields compared with insects obtained from untreated fields. CONCLUSION: Differences were found in the epicuticular hydrocarbon pattern among nymphs and adults, as well as sexual dimorphism in adult stink bugs. Interestingly, an alteration was also found in the hydrocarbon profile of insects collected in insecticide-treated soybean crops and its relevance is discussed within a pest management context. 
© 2021 Society of Chemical Industry.

Palabras-Clave: | Halyomorpha Halys; Hydrocarbon pattern; Insect cuticle; Lipids; Pesticide; Resistance.
Categoría del tema: | A50 Investigación agraria
Registro original: | INIA Las Brujas (LB)
Ejemplares: | LB - (102802-1) - PXI - AP - DD - PP/Pest Management Science/2021 -  -  - DIS