Mecistocirrus digitatusA parasitic worm of the Family Trichostrongylidae, which is the only genus of the subfamily Haemonchinae (Mecistocirrhinae), that localises in the abomasum of ruminants. They are red to dark red, with a markedly attenuated, anteriorly tapered body. Males measure 17.0–19.0 mm in length, with 0.36–0.43-mm maximum width; females measure 16.0–40.0 mm in length, with 0.36–0.54-mm maximum width.
a genus of worms in the family Trichostrongylidae.
found in the abomasum of domestic ruminants and buffalo, and in the stomach of pigs. In endemic areas it is an important parasite, causing effects similar to those of Haemonchus spp.