Psilenchus elegans Thorne and Malek, 1968

• female L = 1.2 mm; a = 34; b = 7.0; c = 10.1; V = 46
• male L = 1.3 mm; a = 42; b = 6.2; c = 8.3; T = 60

Lateral fields 1/4 body width with crenate margins, two incisures and aerolations. Lip region truncate, striated. Spear 15u long, without knobs. Psilenchus elegans is distinctive because of the striated and truncate lip region, very small amphid aperture, lateral fields and tail forms. Recorded by Thorne: Native grass pasture, Range Field Station, Cottonwood, Presho, and Howes, South Dakota