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

<p><italic>Deladenus posteroporus</italic> n. sp. isolated from packaging wood originated from Canada and from white pine lumber from the United States, both intercepted in the port of Ningbo, China, is described and illustrated. Both mycetophagous and infective forms were recovered from the Canadian sample, whereas only the mycetophagous form was found in the U.S. sample. The new species is characterized by the posteriorly positioned excretory pore relative to the hemizonid in both mycetophagous and infective forms, by a broadly rounded tail end in mycetophagous females and lateral fields with 11 to 12 lines midbody in both mycetophagous females and males. The partial 18S, complete internal transcribed spacer, and partial 28S D2/D3 rRNA genes were amplified and sequenced. Phylogenetic analyses of the genes grouped the new species with previously sequenced species of <italic>Deladenus</italic> in a fully supported clade. This is the first report of <italic>Deladenus</italic> species with a known infective stage to have the excretory pore positioned posterior to the hemizonid.</p>
</abstract>

Deladenus posteroporus n. sp. isolated from packaging wood originated from Canada and from white pine lumber from the United States, both intercepted in the port of Ningbo, China, is described and illustrated. Both mycetophagous and infective forms were recovered from the Canadian sample, whereas only the mycetophagous form was found in the U.S. sample. The new species is characterized by the posteriorly positioned excretory pore relative to the hemizonid in both mycetophagous and infective forms, by a broadly rounded tail end in mycetophagous females and lateral fields with 11 to 12 lines midbody in both mycetophagous females and males. The partial 18S, complete internal transcribed spacer, and partial 28S D2/D3 rRNA genes were amplified and sequenced. Phylogenetic analyses of the genes grouped the new species with previously sequenced species of Deladenus in a fully supported clade. This is the first report of Deladenus species with a known infective stage to have the excretory pore positioned posterior to the hemizonid.

<italic>Deladenus posteroporus</italic> n. sp. (Nematoda: Neotylenchidae) Isolated from Packaging Wood from Canada and White Pine (<italic>Pinus monticola</italic>) Lumber from the United States and Intercepted in Ningbo, China

Ningbo Entry-Exit Inspection and Quarantine Bureau

North Carolina Department of Agriculture & Consumer Services

Journal of Nematology

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

 n. sp. (Nematoda: Neotylenchidae) Isolated from Packaging Wood from Canada and White Pine () Lumber from the United States and Intercepted in Ningbo, China

Deladenus posteroporus n. sp. isolated from packaging wood originated from Canada and from white pine lumber from the United States, both intercepted in the...

Deladenus posteroporus n. sp. (Nematoda: Neotylenchidae) Isolated from Packaging Wood from Canada and White Pine (Pinus monticola) Lumber from the United States and Intercepted in Ningbo, China

Published Online: Jul 18, 2017

Page range: 168 - 176

Received: Dec 07, 2016

DOI: https://doi.org/10.21307/jofnem-2017-062

Keywords
molecular, morphology, morphometrics, nematode, new species, taxonomy

© 2017 Qing Yu et al., published by Sciendo

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

Deladenus posteroporus n. sp. (Nematoda: Neotylenchidae) Isolated from Packaging Wood from Canada and White Pine (Pinus monticola) Lumber from the United States and Intercepted in Ningbo, China

Published Online: Jul 18, 2017

Page range: 168 - 176

Received: Dec 07, 2016

DOI: https://doi.org/10.21307/jofnem-2017-062

Keywordsmolecular, morphology, morphometrics, nematode, new species, taxonomy

© 2017 Qing Yu et al., published by Sciendo

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

Keywords
molecular, morphology, morphometrics, nematode, new species, taxonomy