<abstract xmlns="http://www.w3.org/1999/xhtml">

<p>Populations of <italic>Criconemoides parvus</italic>, <italic>Discocriconemella hengsungica</italic>, and <italic>Discocriconemella limitanea</italic>, isolated in Hangzhou, China from the rhizosphere soil of woody perennials were characterized morphologically and molecularly. The morphometric data of the Chinese populations were compared with populations from other regions of the world. DNA barcoding with the mitochondrial COI gene confirmed conspecificity of Chinese and Costa Rican populations of <italic>D. limitanea</italic>. Phylogenetic assessment using a near full-length 18S ribosomal DNA sequence provided weak support for a grouping of <italic>Criconemoides parvus</italic> from China and <italic>C. annulatus</italic> from western North America. The phylogenetic position of <italic>D. hengsungica</italic> from China and an unknown species of <italic>Discocriconemella</italic> from Thailand relative to <italic>D. limitanea</italic> suggests that the genus <italic>Discocriconemella</italic> is not monophyletic. The study provides the first record of <italic>D. hengsungica</italic> in China and confirms the presence of <italic>C. parvus</italic> previously reported from China. Biogeographic implications of these nematode distributions are discussed.</p>
</abstract>

Populations of Criconemoides parvus, Discocriconemella hengsungica, and Discocriconemella limitanea, isolated in Hangzhou, China from the rhizosphere soil of woody perennials were characterized morphologically and molecularly. The morphometric data of the Chinese populations were compared with populations from other regions of the world. DNA barcoding with the mitochondrial COI gene confirmed conspecificity of Chinese and Costa Rican populations of D. limitanea. Phylogenetic assessment using a near full-length 18S ribosomal DNA sequence provided weak support for a grouping of Criconemoides parvus from China and C. annulatus from western North America. The phylogenetic position of D. hengsungica from China and an unknown species of Discocriconemella from Thailand relative to D. limitanea suggests that the genus Discocriconemella is not monophyletic. The study provides the first record of D. hengsungica in China and confirms the presence of C. parvus previously reported from China. Biogeographic implications of these nematode distributions are discussed.

Description and Distribution of Three Criconematid Nematodes from Hangzhou, Zhejiang Province, China

Journal of Nematology

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

running-head

Populations of Criconemoides parvus, Discocriconemella hengsungica, and Discocriconemella limitanea, isolated in Hangzhou, China from the rhizosphere soil of...

Description and Distribution of Three Criconematid Nematodes from Hangzhou, Zhejiang Province, China

Article Category: research-article

Pubblicato online: 03 giu 2018

Pagine: 183 - 206

DOI: https://doi.org/10.21307/jofnem-2018-010

Parole chiave
DNA barcoding, Nematode morphology, Phylogeny, Scanning electron microscopy

© 2018 Maria Munawar et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Description and Distribution of Three Criconematid Nematodes from Hangzhou, Zhejiang Province, China

Article Category: research-article

Pubblicato online: 03 giu 2018

Pagine: 183 - 206

DOI: https://doi.org/10.21307/jofnem-2018-010

Parole chiaveDNA barcoding, Nematode morphology, Phylogeny, Scanning electron microscopy

© 2018 Maria Munawar et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Parole chiave
DNA barcoding, Nematode morphology, Phylogeny, Scanning electron microscopy