helminths of swallows of the mountains of colorado, including acuaria coloradensis n. sp. (nematoda: spirurata). | thirty-three tree swallows, iridoprocne bicolor, and 5 violet-green swallows, tachycineta thalassina, from the eastern slope of the rocky mountains of northern colorado were examined for helminths. six species were found: diplotriaena obtusa, acuaria coloradensis n. sp. (nematoda); vitta magniuncinata, angularella audubonensis (cestoda); plagiorchis maculosus (trematoda); mediorhynchus papillosus (acanthocephala). the new species is most similar to a. multispinosa perez vigueras, 1937, but has 1 ... | 1988 | 3357125 |