title: A new species of Cosmocercidae (Ascaridida) in the worm lizard, Amphisbaena bolivica (Squamata: Amphisbaenidae), from Argentina.
abstract: Aplectana tucumanensis n. sp., from the large intestine of Amphisbaena bolivica, is described and illustrated. Of the 43 nominal species of Aplectana, A. tucumanensis n. sp. represents the fourth species reported in Amphisbaena spp. These 4 species are separated on the basis of male characters: spicules of Aplectana alba approximately 60 micro in length, Aplectana pusilla and A. tucumanensis approximately 100 micro, Aplectana raillieti greater than 230 micro; papillae pattern of A. pusilla with 3 preanal pairs, 2 adanal pairs, 6 postanal pairs, and 1 median papilla compared to 9 preanal pairs, 1 adanal pair, 6 postanal, and no median papilla for A. tucumanensis.
authors.affiliation: Instituto de Invertebrados, Fundación Miguel Lillo, Miguel Lillo, 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; D017162:Ascaridida / Q000033:anatomy & histology / Q000145:classification* / Q000648:ultrastructure; D017191:Ascaridida Infections / Q000469:parasitology / Q000662:veterinary*; D005260:Female; D008116:Lizards / Q000469:parasitology*; D008297:Male; D008855:Microscopy, Electron, Scanning / Q000662:veterinary