C. asini Matthee et al, 2001

Figures

General: Posterior edge of MC situated at anterior edge of BC. Dorsal and ventral notches on mouth collar absent. Amphids projects above MC surface. Tip of submedian papillae spindle-shaped, about 4 or more times as long as thick. Stalk of submedian papillae longer than broad. ELC consists 40 -46 elements which longer than numerous ILC elements. Elements of ELC longer than broad. Tips of elements of ILC rounded. Insertion point for posterior ends of elements of ILC on anterior edge of buccal capsule. Walls BC are straight with posterior ring. Buccal cavity concave. Dorsal gutter button-like. Esophageal funnel shallow. Excretory pore posterior to NR. Anterior deirids near middle of glandular esophagus. Esophagointestinal valve not elongated.

Male: Body length 5.25–6.90 mm. Esophagus length 0.90–1.0 mm. BC width 62–78, depth 28–38. Distance from anterior deirids to head end about 454–536, from excretory pore 428–567. Male genital cone not covered by lateral lobes of bursa. Spicules length 2.32–2.88 mm. Gubernaculum length 221–265. Dorsal ray length 441–880. Externodorsal rays origin on stem of dorsal ray.Ventral rays shorter then laterals. Dermal collar not developed. One pair of appendages of genital cone nipple-like. Protrusions of dermal collar absent.

Female: Body length 7.18–8.97 mm, length of esophagus 0.88–1.12 mm, BC width 62–90, depth 25–40. Distance from anterior deirids to head end about 473–611, from excretory pore 510–611. distance from vulva to tail tip 306-336, from anus to tail tip 64–160, vagina length 528–848, egg size 35–115 × 17–65. Tail club-shaped.

Hosts: E. asinus, E. burchelli, E. zebra.

Locality: cecum, colon.

Distribution: cosmopolitan.