Genetic diversity, phylogenetic and phylogeographic analyses of Oncideres impluviata (Germar, 1823) (Coleoptera: Cerambycidae) in Rio Grande do Sul state, Brazil
Rev. bras. entomol
;
67(1): e20220092, 2023. tab, graf
Article
in English
|
LILACS-Express
| LILACS
| ID: biblio-1423214
ABSTRACT
ABSTRACT The Cerambycidae Oncideres impluviata (Germar, 1823) is an important insect pest for Acacia mearnsii De Wild in Southern Brazil. The damage caused by their girdling behavior reduces tree productivity, specially in the early years of plant establishment, when girdling is performed on the main trunk of trees. Here, we used a fragment of the mtDNA COI gene to analyze the genetic diversity, population structure and demography of O. impluviata in Southern Brazil, as well as to present the first hypothesis of phylogenetic relationships among species of the genus Oncideres. Our results identified five distinct haplotypes among the populations of O. impluviata, with the most common haplotype identified as O.imp_COI_01. The phylogenetic inferences corroborated the monophyly of O. impluviata with maximum statistical support. In addition, the phylogeny recovered three main population strains that are largely congruent with the haplotype network, which includes two lineages that are found in different edaphic regions of Rio Grande do Sul (Serra do Sudeste and Encosta Inferior do Nordeste). This is the first molecular phylogenetic assessment of O. impluviata. Our findings provide insights into the evolution of a significant species for the Brazilian forestry sector, as well as new resources for planning of pest management strategies.
Full text:
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Index:
LILACS (Americas)
Type of study:
Prognostic study
Country/Region as subject:
South America
/
Brazil
Language:
English
Journal:
Rev. bras. entomol
Journal subject:
Biology
Year:
2023
Type:
Article
/
Project document
Affiliation country:
Brazil
/
United States
Institution/Affiliation country:
Embrapa Florestas/BR
/
Iowa State University/US
/
Proteplan/BR
/
SETA/BR
/
A+BR
/
Universidade Federal de Santa Maria/BR
/
Universidade Federal do Rio de Janeiro/BR
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