Female. Body assumes cane-like shape when relaxed by heat; with truncate anterior and arcuate-digitate posterior termini. Lip region with distinct lips set off by depression. Buccal cavity elongate-globular, slightly more than twice as long as wide. Large dorsal tooth in upper third of cavity opposed by numerous denticles arranged in six transverse rows. Amphid aperture as wide as and located at level of dorsal tooth. Esophagus with nerve ring and excretory pore at upper third. Didelphic; pre- and post-vulval papillae (one or more each) distinct; small distinct triangular pieces in vagina. Tail arcuate-conoid with short digitate portion set off from remainder by depression. Caudal glands grouped, emptying in terminal spinneret. Two pairs (one dorsal and one ventral) of caudal pores at beginning of digitate portion of tail.
Male. Similar to female in details of lip region, buccal cavity, and esophagus. Diorchic with abundant sperm. Posterior regions with eleven equally spaced supplements located within range of spicule; also a pre-cloacal pair. Spicule broad, acuate with bidentate terminus; gubernaculum crescent-shaped with thickened keel at midpoint. Accessory pieces with bifurcate (wrench-shaped) termini. Caudal glands grouped, emptying into terminal spinneret. Two pairs (one dorsal and one ventral) of caudal pores located near beginning of digitate portion of tail.
Habitat. Common species in western Oregon found about the
roots of many kinds of plants in uncultivated and cultivated areas along
river, stream, and ocean banks.
Oregon distribution. Corvallis, Fairview, Newport, Seal Rock State Park, Whale Cove, and numerous sites along stream banks in the Coast Range.