Ascaridia is a genus of parasitic nematodes. Members of the genus are primarily intestinal parasites of birds.Yamaguti, S. (1961). Systema Helminthum. 3. The nematodes of vertebrates. Interscience Publishers, New York and London, pp. 1261 Three species are well known, namely, A. galli found mostly in chickens, A. dissimilis in turkeys, and A. columbae in pigeons. Lesser known species such as A. hermaphrodita, A. sergiomeirai, A. ornata, A. nicobarensis, and A. platyceri are found in parrots.Kajerova V, Barus V, Literak I (2004). Nematodes from the genus Ascaridia parasitizing psittaciform birds: a review and determination key . Vet. Med. – Czech, 49 (6): 217–223.
