Coronocyclus sagittatus (Kotlán, 1920) Hartwich, 1986

Figures

Synonyms: Cylicostomum sagittatum Kotlan, 1920; Trichonema sagittatum (Kotlan, 1920) LeRoux, 1924; Cylicostomias sagittatum (Kotlan, 1920) Cram, 1925; Cylicodontophorus sagittatum (Kotlan, 1920) Ershov, 1939.

General: Tip of submedian papillae bulbous; twice as long as thick. ELC with16-20 elements; ILC 60-80. Insertion point for posterior ends of elements of ILC about 1/3 of BC depth. Support for ELC elongate, spindle-shaped. Optical section of wall of buccal capsule with medial bend near middle of cylinder. Esophageal teeth not prominent. Anterior end to: anterior deirids 422-524; excretory pore 384-486.

Male: Body length 9.5-11.0 mm. Esophagus length 541-620. BC width 146-160; depth 32-36. Spicule length 1.0-1.42 mm. Gubernaculum length 180-239. Dorsal ray length (from distal tip to origin of externodorsal ray) 420. Ventral rays length equal to laterals. Dermal collar absent. Appendages of genital cone paired, oval, separated formations with numerous setaceous protrusions; like C. coronatus. Protrusions of dermal collar absent.

Female: Body length 10.5-12.8 mm.esophagus length 620-730. BC width 96-128; depth 33-40. Vulva to tail tip 280-460. Anus to tail tip140-240. Egg size 86-94 x 44-50. Tail of mature females straight, tip pointed. Sublateral protrusions poorly developed. Vagina longer than sphincter of ovejector. Infundibulum about equal to sphincter.

Hosts: Equus caballus, E. caballus x E. asinus, E. przewalskii.

Locality: colon.

Distribution: Europe, Asia.