Helminths of Northwestern Mammals. Part I. Two New Species of Hymenolepis

Rodentolepis microstoma isolated from different species of Sigmodontinae rodents (Rodentia: Cricetidae) in the Cuenca del Plata, Argentina: Morphological aspects and molecular characterization

“…Rodentolepis microstoma can be separated from R. evaginata (Barker and Andrews, 1915), R. johnsoni (Schiler, 1952), R. octocoronata (Von Linstow, 1879) and R. oregonensis ( Neiland and Senger, 1952 ) by the number of rostellar hooks (22–31 vs. 10, 10, 8, 10, respectively). The specimens of R. microstoma studied have scolex smaller than R. nana (Von Siebold, 1852) and R. octocoronata (0.07–0.23 vs. 0.30–0.40, 0.39, respectively).…”

“…Moreover, R. microstoma has the cirrus sac longer than R. nana and R. johnsoni (0.04–0.17 x 0.02–0.05 vs. 0.05–0.07 x 0.02–0.025, 0.11 x 0.04, respectively), and is smaller than R. octocoronata (0.04–0.17 x 0.02–0.05 vs. 0.30 x 0.37). Rodentolepis microstoma can be separated from R. evaginata , R. nana, R. octocoronata , R. oregonensis and R. srivastavai ( Rêgo, 1970 ) by the size of the eggs ( Barker, 1915 ; Neiland and Senger, 1952 ; Schiller, 1952 ; Wardle and McLeod, 1952 ; Rêgo, 1970 ; Sutton, 1974 ).…”

“…Some species of hymenolepidids are important for public health, particularly the species that parasitize rodents, such as Hymenolepis diminuta (Rudolphi, 1819), Rodentolepis nana (Von Siebold, 1852), and Rodentolepis microstoma ( Dujardin, 1845 ), capable of infecting humans ( Macnish et al, 2003 ; Marangi et al, 2003 ; Nkouawa et al, 2016 ). Around six hymenolepidid genera from rodents have been reported in North and South America (e.g., Arostrilepis Mas-Coma and Tenora, 1997, Hobergia Gardner, Dursahinhan, Campbell and Rácz, 2020, Hymenandrya Smith, 1954, Hymenolepis Weinland, 1858, Monogynolepis Czaplinski and Vaucher, 1994, Rodentolepis Spasskii, 1954), of which 17 species of the genus Rodentolepis have been reported parasitizing Cricetidae, two from South America, and only one from Argentina ( Barker, 1915 ; Rider and Macy, 1947 ; Neiland and Senger, 1952 ; Schiller, 1952 ; Wardle and McLeod, 1952 ; Rêgo, 1967 , 1970 ; Sutton, 1974 ; Cunningham and Olson, 2010 ; Guerreiro Martins et al, 2014 ; Panisse et al, 2017 ). The species with the widest geographic and host range are R. nana and R. microstoma , parasitizing several genera of Muridae and Cricetidae, such as Apodemus , Arvicanthis , Mastomys , Mesocricetus , Microtus , Mus , Rattus , and Sigmodon (e.g., Litchford, 1963 ; Cunningham and Olson, 2010 ; Gomez-Puerta and Valdivia-Carrera, 2018 ).…”

Parasitismo de roedores sigmodontinos: aspectos taxonómicos, ecológicos y patrones de distribución de los platelmintos y acantocéfalos en Argentina

“…Rodentolepis oregonensis, Hymenolepis citelli (Barker, 1915;McLeod, 1933;Neiland y Senger, 1952;Rego, 1961;Bienek y Grundmann, 1973 (Rêgo, 1967;Rêgo, 1970;Landaeta-Aqueveque et al, 2007;Haverkost y Gardner, 2010). Mientras que entre los roedores sigmodontinos de Argentina, sólo fue señalado un registro en Jujuy (Andrya octodonensis) (Haverkost y Gardner, 2010), y otros en diferentes localidades de la provincia de Buenos Aires (e.g Hymenolepis sp., Rodentolepis sp., y Rodentolepis cf.…”

“…Entre los cestodes, se han descripto relativamente pocas especies de Anoplocephalidae de mamíferos en la región Neotropical (principalmete Monoecocestus spp. ), y los que se han reportado parasitan a roedores Hystricognathi y Sigmodontinae (Rego, 1961;Haverkost y Gardner, 2008, 2010 (Barker, 1915;Neiland y Senger, 1952;Schiller, 1952;Rêgo, 1967Rêgo, , 1970Navone et al, 2009;Simões et al, 2011;Guerreiro Martins et al, 2014;Panisse et al, 2017 , 1967;Sutton y Lunaschi, 1994;Maldonado et al, 2003;Navone et al, 2009;Simões et al, 2011). Asimismo, Echinoparyphium contiguum fue reportado en Ondatra zibethicus (Cricetidae) de Estados Unidos, y E. scapteromae en Akodon azarae, Oligoryzomys flavescens, Oligoryzomys nigripes, Oxymycterus rufus y Scapteromys aquaticus de Argentina (Barker y Bastron, 1915;Sutton y Lunaschi, 1994;Navone et al, 2009).…”