title: Two new species of cosmocercids (Ascaridida) in the toad Chaunus arenarum (Anura: Bufonidae) from Argentina.
abstract: Aplectana tarija n. sp. and Cosmocercoides lilloi n. sp., intestinal parasites of the toad Chaunus arenarum, are described. Of the 41 nominal species of Aplectana, A. tarija n. sp. represents the 22nd Neotropical species and the second species reported from Argentina. Of the 14 nominal species of Cosmocercoides, C. lilloi n. sp. represents the 15th species and the first species reported from South America.
authors.affiliation: Instituto de Invertebrados, Fundación Miguel Lillo, Miguel Lillo 251 (4000), San Miguel de Tucumán, Argentina. gramallosl@yahoo.com.ar
authors.forename: Geraldine
authors.initials: G
authors.lastname: Ramallo
authors.forename: Charles R
authors.initials: CR
authors.lastname: Bursey
authors.forename: Stephen R
authors.initials: SR
authors.lastname: Goldberg
mesh_terms: D000818:Animals; D001118:Argentina / Q000453:epidemiology; D017162:Ascaridida / Q000033:anatomy & histology / Q000145:classification*; D017191:Ascaridida Infections / Q000453:epidemiology / Q000469:parasitology / Q000662:veterinary*; D002022:Bufo arenarum / Q000469:parasitology*; D005260:Female; D007411:Intestinal Diseases, Parasitic / Q000453:epidemiology / Q000469:parasitology / Q000662:veterinary*; D007420:Intestine, Large / Q000469:parasitology*; D008297:Male; D015995:Prevalence