Gyalocephalus capitatus Looss, 1900

Figures

Synonyms: Gyalocephalus equi Yorke end Macfie, 1918

General: With characteristics of the genus. Elements of ELC markedly shorter and more numerous than ILC (90-95 against 30-34).

Male: Body length 7.0-9.5 mm. Esophagus length 852-970. BC width 150-158, depth 59-64. Distance from anterior deirids to head end 405-409. Spicules lengh 1.184-1.196 mm, Gubernaculum length — 160-177. Dorsal ray length 580-650. Ventral rays longer than laterals. Dermal collar poorly developed on ventral side of genital cone. Appendages of genital cone — two fingerlike protrusions. Protrusions of dermal collar absent.

Female: Body length 10.5-11.0 mm, length of esophagus 1,20-1.38 mm, width of BC 170-174, depth 64-68, distance from vulva to tail tip 593-657, from anus to tail tip 211-296, egg size 90-118 x 50-68.

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

Locality: cecum, colon.

Distribution: cosmopolitan.