Dorylaimellus occidentalis
Thorne, 1939
Photo Gallery- Konza Prairie
Photo Gallery- 9 Mile Prairie
Photo Gallery- Forensic Nematology

0.8 mm; a = 28; b = 3.3; c = 36; V = 53

     Body twisted until amphids are usually seen from a dorsal or ventral view.  Lateral field a chain of large cells with the usual pores.  Sclerotized pieces about oral opening prominent. Spear slightly longer than lip region width with characteristic extensions and flanges.  Esophagus with usual fusiform expansion posterior to spear, then a very slender tube until it gradually expands to form the basal portion which is about 3/5 the total length.  Cardia bluntly cylindroid.  Intestine with scattered colorless granules.  Vulva transverse with muscular labia.  Ovaries short, often forced out of place by eggs which are 4-5 times as long as body width.  Prerectum about 4 times body width.  Tail bluntly convex conoid with usual conspicuous cells of lateral field.

Habitat: Prairie sod near Boulder, Colorado, Dunniston and Tagus, highway 281, state line between North Dakota and Montana.  Stream bank west of Brookings, South Dakota.

DNA Sequences Obtained
Specimen: Collected:
9Mile 4-30 LP2-28 9 Mile Prairie, Preliminary survey