Synonyms: Laimydoryus flexus (T. & S., 1936) Andrassy, 1959
Dorylaimus flexus Thorne and Swanger, 1936
Mesodorylaimus flexus (T. & S., 1936) J. B. Goodey, 1963
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Body slightly arcuate when relaxed. Cuticle plain, 3u thick near head, thicker on tail. Lateral fields almost half body width. Lip region tapering with slightly elevated papillae. Amphids cyathiform. Spear 25-28u long, aperture occupying from 1/4 to 1/3 its length. Typically the spear is slightly bent but frequently is almost straight. Esophagus enlarged near middle until 2/3 neck width. Vulva longitudinal. Ovaries reflexed about 1/2 distance to vulva. What apparently are synogonic sperms occasionally observed. Rectum length twice prerectum, 4 or 5 times anal body diameter. Tail ending in a slender terminal portion which frequently is bent into hook. Specimens from dry soil frequently have lost this terminal portion.
Laimydoryus flexus occurred in small numbers from collections near Fairmont, Nebraska, Ames, Iowa, Brookings, Cottonwood and Forestburg, South Dakota, Devils Lake, North Dakota, Fergus Falls, Minnesota and Baker, Montana.
DNA Sequences Obtained
| Specimen: | Collected: |
| Mt Rushmore GWN-08 | Mount Rushmore Nat'l Monument |
| Konza IIGG-57 | Konza Prairie, First survey |
| Konza IICD-68 | Konza Prairie, First survey |
| Mt Rushmore GWN-18 | Mount Rushmore Nat'l Monument |
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