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Uncovering Cryptic Parasitoid Diversity in Horismenus (Chalcidoidea, Eulophidae)

Kenyon, Sarah G. ; Buerki, Sven ; Hansson, Christer LU ; Alvarez, Nadir and Benrey, Betty (2015) In PLoS ONE 10(9).
Abstract
Horismenus parasitoids are an abundant and understudied group of eulophid wasps found mainly in the New World. Recent surveys based on morphological analyses in Costa Rica have quadrupled the number of named taxa, with more than 400 species described so far. This recent revision suggests that there is still a vast number of unknown species to be identified. As Horismenus wasps have been widely described as parasitoids of insect pests associated with crop plants, it is of high importance to properly establish the extant diversity of the genus, in order to provide biological control practitioners with an exhaustive catalog of putative control agents. In this study, we first collected Horismenus wasps from wild Phaseolus bean seeds in Central... (More)
Horismenus parasitoids are an abundant and understudied group of eulophid wasps found mainly in the New World. Recent surveys based on morphological analyses in Costa Rica have quadrupled the number of named taxa, with more than 400 species described so far. This recent revision suggests that there is still a vast number of unknown species to be identified. As Horismenus wasps have been widely described as parasitoids of insect pests associated with crop plants, it is of high importance to properly establish the extant diversity of the genus, in order to provide biological control practitioners with an exhaustive catalog of putative control agents. In this study, we first collected Horismenus wasps from wild Phaseolus bean seeds in Central Mexico and Arizona to assess the genetic relatedness of three morphologically distinct species with overlapping host and geographical ranges. Sequence data from two nuclear and two mitochondrial gene regions uncovered three cryptic species within each of the three focal species (i.e., H. missouriensis, H. depressus and H. butcheri). The monophyly of each cryptic group is statistically supported (except in two of them represented by one single tip in which monophyly cannot be tested). The phylogenetic reconstruction is discussed with respect to differences between gene regions as well as likely reasons for the differences in variability between species. (Less)
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organization
publishing date
type
Contribution to journal
publication status
published
subject
in
PLoS ONE
volume
10
issue
9
article number
e0136063
publisher
Public Library of Science (PLoS)
external identifiers
  • wos:000360932800022
  • pmid:26352700
  • scopus:84944790452
  • pmid:26352700
ISSN
1932-6203
DOI
10.1371/journal.pone.0136063
language
English
LU publication?
yes
id
3f76882d-62f7-43f0-9e5f-8494b032990e (old id 8077181)
date added to LUP
2016-04-01 12:50:33
date last changed
2024-01-09 03:54:30
@article{3f76882d-62f7-43f0-9e5f-8494b032990e,
  abstract     = {{Horismenus parasitoids are an abundant and understudied group of eulophid wasps found mainly in the New World. Recent surveys based on morphological analyses in Costa Rica have quadrupled the number of named taxa, with more than 400 species described so far. This recent revision suggests that there is still a vast number of unknown species to be identified. As Horismenus wasps have been widely described as parasitoids of insect pests associated with crop plants, it is of high importance to properly establish the extant diversity of the genus, in order to provide biological control practitioners with an exhaustive catalog of putative control agents. In this study, we first collected Horismenus wasps from wild Phaseolus bean seeds in Central Mexico and Arizona to assess the genetic relatedness of three morphologically distinct species with overlapping host and geographical ranges. Sequence data from two nuclear and two mitochondrial gene regions uncovered three cryptic species within each of the three focal species (i.e., H. missouriensis, H. depressus and H. butcheri). The monophyly of each cryptic group is statistically supported (except in two of them represented by one single tip in which monophyly cannot be tested). The phylogenetic reconstruction is discussed with respect to differences between gene regions as well as likely reasons for the differences in variability between species.}},
  author       = {{Kenyon, Sarah G. and Buerki, Sven and Hansson, Christer and Alvarez, Nadir and Benrey, Betty}},
  issn         = {{1932-6203}},
  language     = {{eng}},
  number       = {{9}},
  publisher    = {{Public Library of Science (PLoS)}},
  series       = {{PLoS ONE}},
  title        = {{Uncovering Cryptic Parasitoid Diversity in Horismenus (Chalcidoidea, Eulophidae)}},
  url          = {{http://dx.doi.org/10.1371/journal.pone.0136063}},
  doi          = {{10.1371/journal.pone.0136063}},
  volume       = {{10}},
  year         = {{2015}},
}