Mylonchulus subsimilis
Photo Gallery- Konza Prairie

Seven females. L=1.46 mm (1.2-1.56); a=43 (39-46); b=4.2 (4-4.3); c=57 (47-70); V=73% (71-80); stoma 10 x 21u (9-10 x 20 x 22).

Two males. L=1.6 mm (1.5-1.65); a=48 (44-52); b=4.3 (4.2-4.4); c=60 (57-63); T=34% (25-43); spicule=43u (40-45); gubernaculums=10.5u (9-12); stoma 9.5 x 21 (9-10 x 20-22).

Female. Body assumes a “C” shape when fixed in permanent slides.  Lip region set off by depression; lips conoid with distinct nerve channels.  Stoma globular, elongate, about twice as long as wide.  Large dorsal tooth in upper third of stoma opposed by six and one-half rows of transverse denticles.  Amphid aperture very large, approximately one half as wide as stoma, opposite dorsal tooth.  Nerve ring at upper third of esophagus adjacent to excretory pore, basal fourth of esophagus with conspicuous muscular area, cardia shallow.  Female didelphic; post-vulval papillae frequently present.  Small triangular pieces in vagina indistinct.  Uteri abundantly supplied with sperm.  Tail conoid with abrupt ventral bend at terminal third; without spinneret.  Two pairs of caudal pores, one dorsal and one ventral, near terminus.

Male. Body assumes “cane-shape” when fixed in permanent slides, resembling female in gross anatomy.  Diorchic with elliptical sperm.  Thirteen supplements, spaced equally distant within range of spicules.  Spicules slender, arched; accessory pieces bifurcate; gubernaculums crescent-shaped, somewhat thickened.

Habitat. Around roots of ornamental nursery and bulb stocks.