VPA 211: General Veterinary Parasitology and Helminthology (3+1)

MORPHOLOGY OF SETARIA DIGITATA

Genus	Setaria
Species	S.digitata
Host	Cattle and buffalo
Location	Peritoneal cavity and urinary bladder
I/H	Mosquitoes - Culex, Aedes and Anopheles

Morphology

• Worms are long and milky white in colour. Mouth is surrounded by chitinous ring, called as "peribuccal ring".
• It has lateral, ventral and dorsal prominence. Body of the worm tapers towards the tail end and the posterior end is spirally coiled.
• Tail end of both sex has small lateral appendages.
• Female tail end has a small knob like conical projection and may be armed with small spine.

Setaria Sp.