Teladorsagia davtiani

Te·la·dor·sa·gi·a dav·ti·an·i

(tē'lă-dōr-sā'jē-ă dav-shē-ān'ī),
One of the medium stomach worm species (family Trichostrongylidae) of sheep, goats, and deer occurring in the abomasum; it is similar to Ostertagia trifurcata.
[tele- + L. dorsum, back]