Taxonomic study and population variation of scale insects (Hemiptera: Coccidae and Diaspididae) and associated parasitoids (Hymenoptera: Chalcidoidea) in an olive grove at Rio Grande do Sul, Brazil

This study evaluated the population variation of Hemiberlesia lataniae (Signoret) (Hemiptera: Diaspididae) and associated parasitoids in Olea europaea L. (Oleaceae) groves located in the municipality of Barra do Ribeiro (30°30′54.95″S; 51°30′20.84″W), Rio Grande do Sul, Brazil. Eight samples were co...

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Detalles Bibliográficos
Autores principales: Wolff, Vera, Efron, Caio, Aquino, Daniel Alejandro, Tonietto, Adilson
Formato: Articulo
Lenguaje:Inglés
Publicado: 2018
Materias:
Biología
Hemiberlesia lataniae
Olea europea
Hymenopteran parasitoid
Acceso en línea:http://sedici.unlp.edu.ar/handle/10915/93293
https://ri.conicet.gov.ar/handle/11336/81326
https://journals.flvc.org/mundi/article/view/0669
Aporte de:
SEDICI (UNLP) de Universidad Nacional de La Plata
id I19-R120-10915-93293
record_format dspace
institution Universidad Nacional de La Plata
institution_str I-19
repository_str R-120
collection SEDICI (UNLP)
language Inglés
topic Biología
Hemiberlesia lataniae
Olea europea
Hymenopteran parasitoid
spellingShingle Biología
Hemiberlesia lataniae
Olea europea
Hymenopteran parasitoid
Wolff, Vera
Efron, Caio
Aquino, Daniel Alejandro
Tonietto, Adilson
Taxonomic study and population variation of scale insects (Hemiptera: Coccidae and Diaspididae) and associated parasitoids (Hymenoptera: Chalcidoidea) in an olive grove at Rio Grande do Sul, Brazil
topic_facet Biología
Hemiberlesia lataniae
Olea europea
Hymenopteran parasitoid
description This study evaluated the population variation of Hemiberlesia lataniae (Signoret) (Hemiptera: Diaspididae) and associated parasitoids in Olea europaea L. (Oleaceae) groves located in the municipality of Barra do Ribeiro (30°30′54.95″S; 51°30′20.84″W), Rio Grande do Sul, Brazil. Eight samples were collected during the four seasons from November 2015 until October 2017; four branches with approximately 20 leaves were taken from12 olive trees (four each from Arbequina, Arbosana and Koroneiki varieties). The collected material was placed inplastic bags and taken to the laboratory for further study. Scale insects were slide-mounted and were identifiedaccording to morphological characteristics of the adult female. Parts of two branches and 40 leaves of each variety infested with scale insects were sectioned and placed inside glass tubes, labeled, capped with cotton, kept in the laboratory at room temperature and examined daily to verify the emergence of parasitoids. Parasitoid specimens studied were critical point dried from ethanol and point-mounted. Some specimens were slide mounted in Canada balsam for more detailed study. In all samples, the presence of H. lataniae, as well as six associated parasitoid species, were identified. Metaphycus flavus (Howard) is recorded for the first time as a parasitoid of H. lataniae. Two other scale insects were also identified: Pseudaulacaspis pentagona (Targioni Tozzetti) (Diaspididae) and Saissetia coffeae (Walker) (Coccidae), but the population data of these did not permit statistical analysis. A key to identify the scale insect species recorded on olive trees in Brazil, based on adult females, is provided.
format Articulo
Articulo
author Wolff, Vera
Efron, Caio
Aquino, Daniel Alejandro
Tonietto, Adilson
author_facet Wolff, Vera
Efron, Caio
Aquino, Daniel Alejandro
Tonietto, Adilson
author_sort Wolff, Vera
title Taxonomic study and population variation of scale insects (Hemiptera: Coccidae and Diaspididae) and associated parasitoids (Hymenoptera: Chalcidoidea) in an olive grove at Rio Grande do Sul, Brazil
title_short Taxonomic study and population variation of scale insects (Hemiptera: Coccidae and Diaspididae) and associated parasitoids (Hymenoptera: Chalcidoidea) in an olive grove at Rio Grande do Sul, Brazil
title_full Taxonomic study and population variation of scale insects (Hemiptera: Coccidae and Diaspididae) and associated parasitoids (Hymenoptera: Chalcidoidea) in an olive grove at Rio Grande do Sul, Brazil
title_fullStr Taxonomic study and population variation of scale insects (Hemiptera: Coccidae and Diaspididae) and associated parasitoids (Hymenoptera: Chalcidoidea) in an olive grove at Rio Grande do Sul, Brazil
title_full_unstemmed Taxonomic study and population variation of scale insects (Hemiptera: Coccidae and Diaspididae) and associated parasitoids (Hymenoptera: Chalcidoidea) in an olive grove at Rio Grande do Sul, Brazil
title_sort taxonomic study and population variation of scale insects (hemiptera: coccidae and diaspididae) and associated parasitoids (hymenoptera: chalcidoidea) in an olive grove at rio grande do sul, brazil
publishDate 2018
url http://sedici.unlp.edu.ar/handle/10915/93293
https://ri.conicet.gov.ar/handle/11336/81326
https://journals.flvc.org/mundi/article/view/0669
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