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

<p>
<italic>Heterodera dunensis</italic> n. sp. from the coastal dunes of Gran Canaria, Canary Islands, is described. This new species belongs to the <italic>Schachtii</italic> group of <italic>Heterodera</italic> with ambifenestrate fenestration, presence of prominent bullae, and a strong underbridge of cysts. It is characterized by vermiform second-stage juveniles having a slightly offset, dome-shaped labial region with three annuli, four lateral lines, a relatively long stylet (27-31 µm), short tail (35-45 µm), and 46 to 51% of tail as hyaline portion. Males were not found in the type population. Phylogenetic trees inferred from D2-D3 of 28S, partial ITS, and 18S of ribosomal DNA and <italic>COI</italic> of mitochondrial DNA sequences indicate a position in the ‘<italic>Schachtii</italic> clade’.</p>
</abstract>

Heterodera dunensis n. sp. from the coastal dunes of Gran Canaria, Canary Islands, is described. This new species belongs to the Schachtii group of Heterodera with ambifenestrate fenestration, presence of prominent bullae, and a strong underbridge of cysts. It is characterized by vermiform second-stage juveniles having a slightly offset, dome-shaped labial region with three annuli, four lateral lines, a relatively long stylet (27-31 µm), short tail (35-45 µm), and 46 to 51% of tail as hyaline portion. Males were not found in the type population. Phylogenetic trees inferred from D2-D3 of 28S, partial ITS, and 18S of ribosomal DNA and COI of mitochondrial DNA sequences indicate a position in the ‘Schachtii clade’.

Morphological and molecular characterization of <italic>Heterodera dunensis</italic> n. sp. (Nematoda: Heteroderidae) from Gran Canaria, Canary Islands

Journal of Nematology

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

Morphological and molecular characterization of  n. sp. (Nematoda: Heteroderidae) from Gran Canaria, Canary Islands

running-head

Heterodera dunensis n. sp. from the coastal dunes of Gran Canaria, Canary Islands, is described. This new species belongs to the Schachtii group of Heterodera...

Morphological and molecular characterization of Heterodera dunensis n. sp. (Nematoda: Heteroderidae) from Gran Canaria, Canary Islands

Publié en ligne: 24 nov. 2020

Pages: 1 - 14

DOI: https://doi.org/10.21307/jofnem-2020-098

Mots clés
18S, 28S, Canary Islands, Cyst nematode, ITS, Gran Canaria, Plant-parasitic nematodes, Systematics, Taxonomy

© 2020 Phougeishangbam Rolish Singh et al., published by Sciendo

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

Morphological and molecular characterization of Heterodera dunensis n. sp. (Nematoda: Heteroderidae) from Gran Canaria, Canary Islands

Publié en ligne: 24 nov. 2020

Pages: 1 - 14

DOI: https://doi.org/10.21307/jofnem-2020-098

Mots clés18S, 28S, Canary Islands, Cyst nematode, ITS, Gran Canaria, Plant-parasitic nematodes, Systematics, Taxonomy

© 2020 Phougeishangbam Rolish Singh et al., published by Sciendo

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

Mots clés
18S, 28S, Canary Islands, Cyst nematode, ITS, Gran Canaria, Plant-parasitic nematodes, Systematics, Taxonomy