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Dolichodorus : ウィキペディア英語版 | Dolichodorus
''Dolichodorus'' is a genus of nematodes known commonly as awl nematodes.〔Crow, W. T. and A. S. Brammer. (Awl nematodes, ''Dolichodorus'' spp. ) EENY-241. University of Florida IFAS. 2001.〕〔(''Dolichodorus''. ) Nemaplex. University of California, Davis.〕 They are distributed worldwide.〔 They are ectoparasites of plant roots, and some are pests of agricultural crops.〔 ==Description== These are among the largest plant-parasitic nematodes, reaching 1.5 to 3 millimeters in length.〔 They are slender and cylindrical in shape with annular rings along their bodies. They have long, strong stylets. There are male and female individuals in each species, and they reproduce sexually. The male has winglike folds surrounding its cloaca. Its sex organs include a pair of flanged spicules and a protruding gubernaculum to guide them during mating. The female has a rounded or hemispherical tail with a spike-shaped tip.〔
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