Molecular and morphological characterization of Ektaphelenchoides hunti sp. n.(Nematoda: Ektaphelenchinae) from northern Iran

MR Atighi, E Pourjam, M Pedram, W Ye… - Russian Journal of …, 2012 - cyberleninka.ru
MR Atighi, E Pourjam, M Pedram, W Ye, RT Robbins
Russian Journal of Nematology, 2012cyberleninka.ru
Ektaphelenchoides hunti sp. n. is described and illustrated based on morphological and
molecular characters. The new species is characterized by its body length of 711-929 μm in
the female, offset head region, three incisures in lateral field, total stylet length of 16-23 μm,
excretory pore in middle of the metacorpus to slightly posterior to metacorpus base,
hemizonid at 95-116 μm distance from the anterior end and males with a body length of 572-
809 μm, 12.5-17.5 μm long spicules with rounded condylus, moderately developed short …
Ektaphelenchoides hunti sp. n. is described and illustrated based on morphological and molecular characters. The new species is characterized by its body length of 711-929 μm in the female, offset head region, three incisures in lateral field, total stylet length of 16-23 μm, excretory pore in middle of the metacorpus to slightly posterior to metacorpus base, hemizonid at 95-116 μm distance from the anterior end and males with a body length of 572-809 μm, 12.5-17.5 μm long spicules with rounded condylus, moderately developed short rostrum with blunt end and without a cucullus. The new species most closely resembles E. compsi but differs by having three incisures in lateral field vs obscure, excretory pore in middle of the metacorpus to slightly posterior to metacorpus base, 75-93 μm from anterior end vs posterior to the median bulb 91-113 μm from the anterior end, shorter spicules (12.5-17.5 vs 19-24 μm) and basic differences in shape of the posterior body (tail). The comparisons with other species of Ektaphelenchoides are also discussed. Molecular analyses were performed based on 793 bp partial ribosomal DNA large subunit D2D3 and showed E. hunti sp. n. to be different but closest to E. compsi and E. spondylis.
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