Aporcelaimus elegans
Thorne, 1974
Photo Gallery- Konza Prairie

7.5-8.2 mm; a = 65-82; b = 5.7-6.2; c = 95-110; V = 52
7.5-9.3 mm; a= 68-85; b = 5.2-7.2; c = 130-158; T = 45-60
Body cylindroid except at extremities.  Cuticle marked by conspicuous criss-cross fibers.  Prominent lateral pores in single line except on tail.  A few dorsal and ventral pores anteriorly.  Lip region set off by constriction with usual 6 and 10 prominent papillae.  Amphids with median reinforcing piece.  Spear 18-20u long, with aperture occupying about 2/3 its length.  Posterior 5/7 of esophagus enlarged.  Prominent cardiac disc present, with bluntly conoid cardia.  Intestine packed with fine bright brown granules.  Vulva with refractive labia.  Prerectum length 3-4 times body width.

Male similar to female in size.  Supplements 9-16, low, broadly flattened.  Spicula thick, blunt without ventral angle.  Gubernaculum 40-45u long with square or angled terminus.

Aporcelaimus elegans is distinctive because of its large size, thick blunt spicula and long guiding pieces.

Distribution:  Occurs in small numbers throughout North and South Dakota and western Minnesota.
(Description- Thorne, 1974)