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Neolobocriconema iranense sp. n. (Nematoda: Criconematidae) from Iran

In: Nematology
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  • 1 National Collection of Nematodes, Biosystematics Division, ARC-Plant Protection Research Institute, Private Bag X134, Queenswood 0121, South Africa;, Email: VDBergE@arc.agric.za
  • | 2 Laboratory for Electron Microscopy, North West University, Potchefstroom Campus, Potchefstroom 2520, South Africa
  • | 3 Department of Plant Protection, College of Agriculture, University of Zanjan, Zanjan, P.O. Box 313, Iran
  • | 4 Department of Plant Protection, College of Agriculture, University of Shiraz, Shiraz 71441-65186, Iran
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Abstract

Neolobocriconema iranense sp. n. is described from a forest in Iran. Females of N. iranense sp. n. are characterised by having a body length of 453 (371-569) μm, 78-87.5 μm long stylet, presence of a single lip annulus of smaller diam. than the adjacent body annulus and which has a smooth margin and four distinct submedian lobes, 37-43 wide, retrorse body annuli with crenate, dentate and lobulate margins, the latter becoming slightly longer on the last few annuli, annuli with numerous longitudinal grooves corresponding with the crenations, vulva without an overhanging dorsal lip and situated on posteriormost three or four annuli, and anus located on the last annulus. The J2 has 12 longitudinal rows of scales and the ?J4 has eight to ten longitudinal rows of broad, irregular scallops. SEM photographs of females are provided. In the presence of a single lip annulus, N. iranense sp. n. comes close to seven of the 13 species in Neolobocriconema. It can, however, be differentiated from them all in characters such as a shorter body length, shorter or longer stylet, different cuticular structures on the annuli, and in the absence of longitudinal rows of scales or scallops.

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