Coronocyclus labiatus (Looss, 1902) Hartwich, 1986

Figures

Synonyms: Cyathostomum labiatum (Looss, 1902) McIntosh, 1933; Cyathostomum labratum Looss, 1900, in part; Cylichnostomum labiatum Looss, 1902; Cylicostomum labiatum (Looss, 1902) Gedoelst, 1903; Cylicostomum labiatum digitatum Ihle, 1921; Trichonema labiatum (Looss, 1902) Le-Roux, 1924; Cylicostomias labiatum (Looss, 1902) Cram, 1925; Schulzitrichonema labiatum (Looss, 1902) Barus, 1961.

General: MC high, dorsal, ventral and lateral depressions form 4 lips. Tip of submedian papillae bullet-shaped. ELC with 18-19 elements; ILC with 40-52. Insertion point for posterior ends of elements of ILC about 1/2 of BC depth. Support for ELC elongate, curving, spindle-shaped. Buccal capsule wall short, thicker in middle, without medial bend near middle. Dorsal gutter short, thick, nipple-like. Esophageal teeth not prominent. Anterior deirids near middle of glandular esophagus, 0.300-0.403 from anterior end.

Male: Body length 7-9 mm. Esophagus length 360-390. BC width 40-56, depth 12-16 to 20-28. Spicule length 1.129-1.43 mm. Gubernaculum length 160-204. Dorsal ray length 358-387. Dermal collar well developed on ventral side of genital cone. Appendages of genital cone consits of two pairs of conical projections. Protrusions of dermal collar paired, located close to appendages of genital cone.

Female: Body length 9.5-11.0 mm. Esophagus length 430. BC width 40-56; depth 12-16 to 20-28.Vulva to tail tip 160-220. Anus to tail tip 45-89.Egg size 76-80?32-38. Vagina longer than sphincter of ovejector. Infundibulum longer than sphincter.

Hosts: Equus caballus, E. asinus, E. caballus X E. asinus, E. przewalskii, E. hemionus, E. burchelli

Locality: cecum, colon.

Distribution: cosmopolitan.