Stilestrongylus n. sp. (2)

Site of infection. small intestine

Collection number. MLP-He7351, MLP-He7358

Host species. Euryoryzomys russatus . CG561. Sooretamys angouya . CG201.

Localities. RVSU and PPU

Comments. Main characteristics of the genus Stilestrongylus were mentioned above. Some of the specimens parasitizing E. russatus and S. angouya were identified as a new species because of the following unique combination of characters: pattern of lateral lobes of bursa, development of dorsal lobe, length of cephalic vesicle, shape and length of spicules and SpL/BL.

All reports of S. aculeata, S. lanfrediae, Stilestrongylus n. sp. (1) and Stilestrongylus n. sp. (2) represent the first record of Stilestrongylus in Misiones province, and, at the same time, add E. russatus, S. angouya and T. nigrita to the list of hosts of the genus Stilestrongylus .