Egg parasitism of Piezodorus guildinii and Nezara viridula (Hemiptera: Pentatomidae) in soybean, alfalfa and red clover

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Piezodorus guildinii Westwood and Nezara viridula (L.) (Hemiptera: Pentatomidae) are important soybean pests. P. guildinii causes more injury and is less susceptible to insecticides compared to N. viridula. N. viridula egg parasitoids are well studied; however, little is known about parasitoids of P...

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Autores principales: Cingolani, María Fernanda, Greco, Nancy Mabel, Liljesthröm, Gerardo Gustavo
Formato: article Artículo publishedVersion
Lenguaje:Inglés
Publicado: Universidad Nacional de Cuyo. Facultad de Ciencias Agrarias 2014
Materias:
Telenomus
Trissolcus
Parasitismo
Desempeño
Performance
Telenomus podisi
Trissolcus basalis
Parasitismo a campo
Acceso en línea:http://bdigital.uncu.edu.ar/6416
Aporte de:
Biblioteca Digital de Universidad Nacional de Cuyo
id I11-R86416
record_format dspace
institution Universidad Nacional de Cuyo
institution_str I-11
repository_str R-8
collection Biblioteca Digital
language Inglés
orig_language_str_mv eng
topic Telenomus
Trissolcus
Parasitismo
Desempeño
Performance
Telenomus podisi
Trissolcus basalis
Parasitismo a campo
spellingShingle Telenomus
Trissolcus
Parasitismo
Desempeño
Performance
Telenomus podisi
Trissolcus basalis
Parasitismo a campo
Cingolani, María Fernanda
Greco, Nancy Mabel
Liljesthröm, Gerardo Gustavo
Egg parasitism of Piezodorus guildinii and Nezara viridula (Hemiptera: Pentatomidae) in soybean, alfalfa and red clover
topic_facet Telenomus
Trissolcus
Parasitismo
Desempeño
Performance
Telenomus podisi
Trissolcus basalis
Parasitismo a campo
description Piezodorus guildinii Westwood and Nezara viridula (L.) (Hemiptera: Pentatomidae) are important soybean pests. P. guildinii causes more injury and is less susceptible to insecticides compared to N. viridula. N. viridula egg parasitoids are well studied; however, little is known about parasitoids of P. guildinii. Alfalfa, soybean and red clover were sampled during several seasons to characterize the abundance of both stink bugs, to determine their egg parasitoids, and to estimate parasitoids impact. In the field, Telenomus podisi (Ashmead),Trissolcus urichi (Crawford) and Trissolcus basalis (Wollaston) (Hymenoptera: Platygastridae) emerged from P. guildinii, while only T. basalis (Wollaston) (Hymenoptera: Platygastridae) emerged from N. viridula. The proportions of parasitized eggs (i. e., the parasitoid impact) and egg masses, as well as the number of parasitized eggs/total number of eggs of the parasitized egg masses, were similar for alfalfa and soybean. Parasitism was not observed in red pclover. Parasitoid impact was lower during the dry growing seasons. Although P. guildinii field parasitism by T. urichi was less significant, laboratory experiments from the bibliography indicate that this wasp species performs well on this host. Trissolcus urichi would be an important biological control agent against P. guildinii, principally when the stink bug is more abundant.
format article
Artículo
Artículo
publishedVersion
author Cingolani, María Fernanda
Greco, Nancy Mabel
Liljesthröm, Gerardo Gustavo
author_facet Cingolani, María Fernanda
Greco, Nancy Mabel
Liljesthröm, Gerardo Gustavo
author_sort Cingolani, María Fernanda
title Egg parasitism of Piezodorus guildinii and Nezara viridula (Hemiptera: Pentatomidae) in soybean, alfalfa and red clover
title_short Egg parasitism of Piezodorus guildinii and Nezara viridula (Hemiptera: Pentatomidae) in soybean, alfalfa and red clover
title_full Egg parasitism of Piezodorus guildinii and Nezara viridula (Hemiptera: Pentatomidae) in soybean, alfalfa and red clover
title_fullStr Egg parasitism of Piezodorus guildinii and Nezara viridula (Hemiptera: Pentatomidae) in soybean, alfalfa and red clover
title_full_unstemmed Egg parasitism of Piezodorus guildinii and Nezara viridula (Hemiptera: Pentatomidae) in soybean, alfalfa and red clover
title_sort egg parasitism of piezodorus guildinii and nezara viridula (hemiptera: pentatomidae) in soybean, alfalfa and red clover
publisher Universidad Nacional de Cuyo. Facultad de Ciencias Agrarias
publishDate 2014
url http://bdigital.uncu.edu.ar/6416
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