Selección de una especie de Trichogramma (Hym., Trichogrammatidae) para el control biológico de la polilla de la patata Phthorimaea operculella (Lep., Gelechiidae) mediante el estudio del comportamiento de parasitación del huésped

Currently, the “potato tuberworm”, Phthorimaea operculella, and the “Guatemalan potato moth”, Tecia solanivora (Lep.: Gelechiidae) are the two pests of the greatest economic importance in Spanish potato crops. For this reason, the potential as biological control agent of two egg parasitoid species...

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Main Authors: Gallego, Juan Ramon, Mellado-Lopez, L., Cabello García, Tomás
Format: info:eu-repo/semantics/article
Language:Spanish / Castilian
Published: Asociación Interprofesional para el Desarrollo Agrario 2020
Subjects:
Online Access:http://hdl.handle.net/10835/8684
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author Gallego, Juan Ramon
Mellado-Lopez, L.
Cabello García, Tomás
author_facet Gallego, Juan Ramon
Mellado-Lopez, L.
Cabello García, Tomás
author_sort Gallego, Juan Ramon
collection DSpace
description Currently, the “potato tuberworm”, Phthorimaea operculella, and the “Guatemalan potato moth”, Tecia solanivora (Lep.: Gelechiidae) are the two pests of the greatest economic importance in Spanish potato crops. For this reason, the potential as biological control agent of two egg parasitoid species –Tri- chogramma achaeae and T. cacoeciae (Hym.: Trichogrammatidae)– of the pest species P. operculella has been studied, under laboratory conditions. Three groups of trials have been carried out: “non-choice” test, “choice” test, and study of parasitic behavior. In all the trials the eggs of the pest specie were compared with the rearing host of the parasitoids: Ephestia kuehniella. In the results, “no choice” test, T. achaeae parasitized significantly more eggs of both species than T. cacoeciae. Thus, total egg mortality in P. operculella was 92.78 ± 13.47% by T. achaeae versus 70.88 ± 15.11% by T. cacoeciae. In turn, in the “choice” test, it was found that adult females of both parasitoid species preferred P. operculella eggs (β2 = 0.58 ± 0.10 y β2 = 0.61 ± 0.17 para T. achaeae y T. cacoeciae, respectively). Finally, in the parasitic behavior test, it was found that T. cacoeciae showed significantly shorter host searching times and shorter host handling times than T. achaeae. Both Trichogramma species seem to be good candidates as biological control agents of P. operculella, which must be subsequently confirmed by field and warehouse trials.
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spelling oai:repositorio.ual.es:10835-86842023-10-06T14:27:05Z Selección de una especie de Trichogramma (Hym., Trichogrammatidae) para el control biológico de la polilla de la patata Phthorimaea operculella (Lep., Gelechiidae) mediante el estudio del comportamiento de parasitación del huésped Selection of a Trichogramma species (Hym., Trichogrammatidae) for the biological control of the potato moth Phthorimaea operculella (Lep., Gelechiidae) by host-parasitism behavioral study Gallego, Juan Ramon Mellado-Lopez, L. Cabello García, Tomás Patata Trichogramma Control Biológico Currently, the “potato tuberworm”, Phthorimaea operculella, and the “Guatemalan potato moth”, Tecia solanivora (Lep.: Gelechiidae) are the two pests of the greatest economic importance in Spanish potato crops. For this reason, the potential as biological control agent of two egg parasitoid species –Tri- chogramma achaeae and T. cacoeciae (Hym.: Trichogrammatidae)– of the pest species P. operculella has been studied, under laboratory conditions. Three groups of trials have been carried out: “non-choice” test, “choice” test, and study of parasitic behavior. In all the trials the eggs of the pest specie were compared with the rearing host of the parasitoids: Ephestia kuehniella. In the results, “no choice” test, T. achaeae parasitized significantly more eggs of both species than T. cacoeciae. Thus, total egg mortality in P. operculella was 92.78 ± 13.47% by T. achaeae versus 70.88 ± 15.11% by T. cacoeciae. In turn, in the “choice” test, it was found that adult females of both parasitoid species preferred P. operculella eggs (β2 = 0.58 ± 0.10 y β2 = 0.61 ± 0.17 para T. achaeae y T. cacoeciae, respectively). Finally, in the parasitic behavior test, it was found that T. cacoeciae showed significantly shorter host searching times and shorter host handling times than T. achaeae. Both Trichogramma species seem to be good candidates as biological control agents of P. operculella, which must be subsequently confirmed by field and warehouse trials. 2020-10-16T07:25:31Z 2020-10-16T07:25:31Z 2020 info:eu-repo/semantics/article Gallego JR, Mellado-López L, Cabello T (2020). Selección de una especie de Trichogramma (Hym., Trichogrammatidae) para el control biológico de la polilla de la patata Phthorimaea operculella (Lep., Gelechiidae) mediante el estudio del comportamiento de parasitación del huésped. ITEA-Información Técnica Económica Agraria 116(1): 2-18. https://doi.org/10.12706/itea.2019.013 1699-6887 http://hdl.handle.net/10835/8684 es https://www.aida-itea.org/index.php/revista/contenidos?idArt=638 info:eu-repo/semantics/openAccess Asociación Interprofesional para el Desarrollo Agrario
spellingShingle Patata
Trichogramma
Control Biológico
Gallego, Juan Ramon
Mellado-Lopez, L.
Cabello García, Tomás
Selección de una especie de Trichogramma (Hym., Trichogrammatidae) para el control biológico de la polilla de la patata Phthorimaea operculella (Lep., Gelechiidae) mediante el estudio del comportamiento de parasitación del huésped
title Selección de una especie de Trichogramma (Hym., Trichogrammatidae) para el control biológico de la polilla de la patata Phthorimaea operculella (Lep., Gelechiidae) mediante el estudio del comportamiento de parasitación del huésped
title_full Selección de una especie de Trichogramma (Hym., Trichogrammatidae) para el control biológico de la polilla de la patata Phthorimaea operculella (Lep., Gelechiidae) mediante el estudio del comportamiento de parasitación del huésped
title_fullStr Selección de una especie de Trichogramma (Hym., Trichogrammatidae) para el control biológico de la polilla de la patata Phthorimaea operculella (Lep., Gelechiidae) mediante el estudio del comportamiento de parasitación del huésped
title_full_unstemmed Selección de una especie de Trichogramma (Hym., Trichogrammatidae) para el control biológico de la polilla de la patata Phthorimaea operculella (Lep., Gelechiidae) mediante el estudio del comportamiento de parasitación del huésped
title_short Selección de una especie de Trichogramma (Hym., Trichogrammatidae) para el control biológico de la polilla de la patata Phthorimaea operculella (Lep., Gelechiidae) mediante el estudio del comportamiento de parasitación del huésped
title_sort selección de una especie de trichogramma (hym., trichogrammatidae) para el control biológico de la polilla de la patata phthorimaea operculella (lep., gelechiidae) mediante el estudio del comportamiento de parasitación del huésped
topic Patata
Trichogramma
Control Biológico
url http://hdl.handle.net/10835/8684
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