Morphological and Molecular Identification of the Invasive Xylosandrus crassiusculus (Coleoptera: Curculionidae: Scolytinae) and Its South American Range Extending Into Argentina and Uruguay

The occurrence of the exotic “granulate ambrosia beetle” Xylosandrus crassiusculus (Motschulsky) in Argentina and Uruguay is reported for the first time, documenting expansion in South America. Morphological characters are provided to allow distinction of this species from other similar ambrosia bee...

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Detalles Bibliográficos
Autores principales: Landi, Lucas, Gomez, Demian F., Braccini, Celina L., Pereyra, Vanina Antonella, Smith, Sarah M., Marvaldi, Adriana Elena
Formato: Articulo
Lenguaje:Inglés
Publicado: 2017
Materias:
Biología
Ciencias Naturales
Xyleborinl
ambrosia beetle
exotic species
DNA
Acceso en línea:http://sedici.unlp.edu.ar/handle/10915/141211
Aporte de:
SEDICI (UNLP) de Universidad Nacional de La Plata
id I19-R120-10915-141211
record_format dspace
institution Universidad Nacional de La Plata
institution_str I-19
repository_str R-120
collection SEDICI (UNLP)
language Inglés
topic Biología
Ciencias Naturales
Xyleborinl
ambrosia beetle
exotic species
DNA
spellingShingle Biología
Ciencias Naturales
Xyleborinl
ambrosia beetle
exotic species
DNA
Landi, Lucas
Gomez, Demian F.
Braccini, Celina L.
Pereyra, Vanina Antonella
Smith, Sarah M.
Marvaldi, Adriana Elena
Morphological and Molecular Identification of the Invasive Xylosandrus crassiusculus (Coleoptera: Curculionidae: Scolytinae) and Its South American Range Extending Into Argentina and Uruguay
topic_facet Biología
Ciencias Naturales
Xyleborinl
ambrosia beetle
exotic species
DNA
description The occurrence of the exotic “granulate ambrosia beetle” Xylosandrus crassiusculus (Motschulsky) in Argentina and Uruguay is reported for the first time, documenting expansion in South America. Morphological characters are provided to allow distinction of this species from other similar ambrosia beetles. Molecular identification was also done on the basis of the 5′ region of the mitochondrial cytochrome c oxidase I (COI) gene, obtained from a specimen from Argentina and compared with available “barcode” sequences in public databases. Phylogenetic analyses, via maximum likelihood and parsimony, were performed using COI sequences from 17 terminals, including 14 sequences of X. crassiusculus from different continents plus other Xylosandrus and Cnestus species as outgroups. Results from the sequence analyses confirm the identity of X. crassiusculus. The specimen from Argentina and the two sampled from United States showed no differences in their COI sequences. Further studies are needed, on the genetic variation through the native and introduced ranges of the granulate ambrosia beetle, to ascertain the source/s of origin of this biological invasion in the Americas. The present paper reports the expansion of this exotic species in South America into Argentina and Uruguay.
format Articulo
Articulo
author Landi, Lucas
Gomez, Demian F.
Braccini, Celina L.
Pereyra, Vanina Antonella
Smith, Sarah M.
Marvaldi, Adriana Elena
author_facet Landi, Lucas
Gomez, Demian F.
Braccini, Celina L.
Pereyra, Vanina Antonella
Smith, Sarah M.
Marvaldi, Adriana Elena
author_sort Landi, Lucas
title Morphological and Molecular Identification of the Invasive Xylosandrus crassiusculus (Coleoptera: Curculionidae: Scolytinae) and Its South American Range Extending Into Argentina and Uruguay
title_short Morphological and Molecular Identification of the Invasive Xylosandrus crassiusculus (Coleoptera: Curculionidae: Scolytinae) and Its South American Range Extending Into Argentina and Uruguay
title_full Morphological and Molecular Identification of the Invasive Xylosandrus crassiusculus (Coleoptera: Curculionidae: Scolytinae) and Its South American Range Extending Into Argentina and Uruguay
title_fullStr Morphological and Molecular Identification of the Invasive Xylosandrus crassiusculus (Coleoptera: Curculionidae: Scolytinae) and Its South American Range Extending Into Argentina and Uruguay
title_full_unstemmed Morphological and Molecular Identification of the Invasive Xylosandrus crassiusculus (Coleoptera: Curculionidae: Scolytinae) and Its South American Range Extending Into Argentina and Uruguay
title_sort morphological and molecular identification of the invasive xylosandrus crassiusculus (coleoptera: curculionidae: scolytinae) and its south american range extending into argentina and uruguay
publishDate 2017
url http://sedici.unlp.edu.ar/handle/10915/141211
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