Bidentostomum ivashkini Tshoijo in Popova, 1958

Figures

General: With characteristics of the genus. Elements of ELC markedly less numerous (8 against 16) and equal to ILC in length.

Male: Body length 8.0-9.0 mm. Esophagus length 560-640. BC width 56-75, depth 54-65. Distance from excretory pore to head end 415-498, Spicules length 830-890. Gubernaculum length 174-208. Dorsal ray length —680-710. Ventral rays equal to laterals. Dermal collar undeveloped. Edges of bursa smooth. Appendages of genital cone — two fingerlike protrusions.

Female: Body length 9.0-10.0 mm, length of esophagus 380-451, width of BC 63-83, depth 53??66, Distance from excretory pore to head end 0.457-0.498, from vulva to tail tip — 0.542-0.747, from anus to tail tip — 0.216-0.299, egg size 101-107 x 51-52.

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

Locality: cecum, colon.

Distribution: Asia.