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Issue: Vol. 3750 No. 2: 18 Dec. 2013
Type: Article
Published: 2013-12-18
DOI: 10.11646/zootaxa.3750.2.4
Page range: 167–175
Abstract views: 24
PDF downloaded: 1

Paratylenchus shenzhenensis n. sp. (Nematoda: Paratylenchinae) from the rhizosphere soil of Anthurium andraeanum in China

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KE WANG

Laboratory of Plant Nematology and Research Center of Nematodes of Plant Quarantine, Guangdong Province Key Laboratory of Microbial Signals and Disease Control / Department of Plant Pathology, College of Nature Resources and Environment, South China Agricultural University, Guangzhou 510642, China
Laboratory of Plant Nematology and Research Center of Nematodes of Plant Quarantine, Guangdong Province Key Laboratory of Microbial Signals and Disease Control / Department of Plant Pathology, College of Nature Resources and Environment, South China Agricultural University, Guangzhou 510642, China
Laboratory of Plant Nematology and Research Center of Nematodes of Plant Quarantine, Guangdong Province Key Laboratory of Microbial Signals and Disease Control / Department of Plant Pathology, College of Nature Resources and Environment, South China Agricultural University, Guangzhou 510642, China
Laboratory of Plant Nematology and Research Center of Nematodes of Plant Quarantine, Guangdong Province Key Laboratory of Microbial Signals and Disease Control / Department of Plant Pathology, College of Nature Resources and Environment, South China Agricultural University, Guangzhou 510642, China
Laboratory of Plant Nematology and Research Center of Nematodes of Plant Quarantine, Guangdong Province Key Laboratory of Microbial Signals and Disease Control / Department of Plant Pathology, College of Nature Resources and Environment, South China Agricultural University, Guangzhou 510642, China
Laboratory of Plant Nematology and Research Center of Nematodes of Plant Quarantine, Guangdong Province Key Laboratory of Microbial Signals and Disease Control / Department of Plant Pathology, College of Nature Resources and Environment, South China Agricultural University, Guangzhou 510642, China
new species morphology molecular taxonomy

Abstract

Paratylenchus shenzhenensis n. sp. was collected from the rhizosphere soil of Anthurium andraeanum in Shenzhen, Guangdong Province, China. The new species is characterized by having a female with a small body (249–302 μm), well developed stylet (17–21 μm), rounded head with four submedian lobes and lip-region with a slight depression at the oral area, small post-vulval uterine sac with a few vestigial cells; male with body dorsally curved behind the cloacal opening, stylet absent, pharynx degenerate, prominent penial sheath; and juveniles with a stylet. It is morphologically similar to P. minutus. The internal transcribed spacer sequences of ribosomal DNA (ITS-rDNA) of the new species only have 72–73% identity with P. minutus, confirming its status as a separate species. The D2/D3 region of 28S ribosomal DNA (28S rDNA) and 18S small subunit ribosomal DNA (18S rDNA) from P. shenzhenensis n. sp. were also amplified and sequenced in this study.