Diplostomidae Poirier, 1886

Cremonte, Florencia & Drago, Fabiana B., 2007, Checklist of digenean parasites of birds from Argentina, Zootaxa 1403, pp. 1-36 : 4-8

Family Diplostomidae Poirier, 1886

Austrodiplostomum Szidat & Nani, 1951

Austrodiplostomum mordax Szidat & Nani, 1951

Syn.: Diplostomum (A.) mordax (Szidat & Nani) Ostrowski de Núñez, 1982. Diplostomum (A.) compactum (Lutz, 1928) Dubois, 1970.

Natural host: Phalacrocorax brasilianus (Gmelin) .

Experimental hosts: Gallus gallus domesticus (L.), Pitangus sulphuratus bolivianus (Lafresnaye) .

Site of infection: intestine.

Locality: Buenos Aires Province.

Life history: Hi1: Biomphalaria peregrina (d’Orbigny) (experimental and natural host from Limay River, Neuquén Province), B. straminea (Dunker) (experimental host). Hi2: Odontesthes hatcheri (Eigenmann) , O. bonariensis (Valenciennes) , O. smitti, (Lahille) , Percichthys trucha (Valenciennes) , Aplochiton taeniatus Jenyns , Galaxias maculatus (Jenyns) , G. p lat e i Steindachner, Onchorhynchus mykiss (Walbaum) , Jenynsia lineata (Jenyns) (natural hosts from Buenos Aires, Córdoba, La Rioja, Jujuy, Tucumán, Río Negro, Neuquén and Chubut Provinces); Cnesterodon decemmaculatus (Jennyns) , Phalloceros caudimaculatus (Hensel) (experimental hosts); metacercariae in brain.

References: Szidat & Nani (1951, 1952), Szidat (1956, 1964, 1969), Fuster de Plaza & Boschi (1957), Ostrowski de Núñez (1964, 1968a, 1970, 1977, 1982, 1992a), Ortubay et al. (1989, 1994), Viozzi & Flores (2002).

Diplostomum v. Nordmann, 1832

Diplostomum minutum Szidat, 1964

Hosts: Larus dominicanus Lichtenstein , L. maculipennis Lichtenstein. Site of infection: intestine.

Localities: Huechulaufquen Lake, Neuquén Province and Rosario Lake, Chubut Province Life history: Hi1: unknown. Hi2: Gymnotus sp. (natural host) from Chaco Province; metacercariae in

brain and medulla.

References: Szidat (1964), Niewiadomska et al. (1989), Kreiter & Semenas (1997).

Dolichorchis Dubois, 1961

Dolichorchis bonariensis Ostrowski de Núñez, 1970 Syn.: Diplostomum (Dolichorchis) bonariensis Ostrowski de Núñez, 1970 Host: Phalacrocorax brasilianus (Gmelin) . Site of infection: intestine.

Locality: Buenos Aires city.

Life history: Hi1: unknown. Hi2: probably Curimatorbis platanus (Günther) from Obras Sanitarias, Bue­

nos Aires city; metacercariae in the brain. Material deposited: MACN.

Reference: Ostrowski de Núñez (1970).

Dolichorchis lacombeensis Lunaschi & Drago, 2006 Host: Ardea cocoi Linnaeus.

Site of infection: intestine

Locality: Lacombe lagoon, Buenos Aires Province. Material deposited: MLP, 5292.

Reference: Lunaschi & Drago (2006a).

Hysteromorpha Lutz, 1931

Hysteromorpha triloba (Rudolphi, 1819) Lutz, 1931

Host: Phalacrocorax brasilianus (Gmelin) .

Site of infection: intestine.

Localities: Río de la Plata, Buenos Aires Province, Obras Sanitarias, Buenos Aires city; Embalse, Cór­

doba Province and Río de la Plata.

References: Szidat & Nani (1951), Ostrowski de Núñez (1970, 1992a).

Neodiplostomum Raillet, 1919

Neodiplostomum travassosi Dubois, 1937

Hosts: Caracara plancus (Miller) , Phalacrocorax brasilianus (Gmelin) . Site of infection: small intestine.

Locality: Clorinda, Formosa Province.

Material deposited: MLP, 5330, 5331; CNHE 5312. Reference: Lunaschi & Drago (2005).

Posthodiplostomum Dubois, 1936

Posthodiplostomum nanum Dubois, 1937

Natural hosts: Butorides striata (Linnaeus) , Ixobrychus involucris (Vieillot) , Ardea alba Linnaeus, A.

alba egretta Gmelin , Plegadis chihi (Vieillot) .

Experimental Hosts: Gallus gallus domesticus (L.), Anas platyrhynchos L. Site of infection: small intestine.

Localities: La Plata Zoological Garden, La Plata and Punta Blanca, Buenos Aires Province; Obras Sani­

tarias, Buenos Aires city.

Life history: Hi1: Gundlachia concentrica (d'Orbigny) (experimental host). Hi2: Jenynsia lineata (Jenyns) , Phalloceros caudimaculatus (Hensel) , Cnesterodon decemmaculatus (Jenyns) (experimental and natural hosts from Río de La Plata); neascus­type metacercariae encyst in body cavity and kidney.

Material deposited: MLP.

References: Boero et al. (1972b), Ostrowski de Núñez (1973, 1992a), Doma & Ostrowski de Núñez

(1994), Digiani (2000).

Posthodiplostomum mignum Boero, Led & Brandetti, 1972 b Host: Ardea cocoi Linnaeus.

Locality: La Plata Zoological Garden, La Plata, Buenos Aires Province. Site of infection: small intestine.

Reference: Boero et al. (1972b).

Posthodiplostomum obesum Lutz, 1928

Syns.: Neodiplostomum sp. Ostrowski de Núñez, 1970

Neodiplostomum (N.) pseudoconicum (Ostrowski de Núñez) Nasir & Díaz, 1972 Host: Phalacrocorax brasilianus (Gmelin) .

Site of infection: intestine.

Locality: Quequén, Buenos Aires Province.

References: Ostrowski de Núñez (1970), Nasir & Díaz (1972), Dubois (1977).

Sphincterodiplostomum Dubois, 1936

Sphincterodiplostomum musculosum Dubois, 1936 Host: Ardea alba Linnaeus.

Site of infection: intestine.

Locality: Clorinda, Formosa Province.

Life history: Hi1: unknown. Hi2: Hoplias malabaricus (Bloch) (natural host) from Chaco Province; meta­

cercariae in the eye’s orbit.

Material deposited: MLP, 5404.

References: Szidat (1969), Lunaschi & Drago (2006b).

Tylodelphys Diesing, 1850

Tylodelphys adulta Lunaschi & Drago, 2004

Host: Podiceps major (Boddaert) . Site of infection: intestine.

Locality: Lacombe lagoon, Buenos Aires Province. Material deposited: MLP, holotype 5309, paratypes 5310, 5311. Reference: Lunaschi & Drago (2004).

Family Strigeidae Railliet, 1919

Apatemon Szidat, 1928

Apatemon gracilis (Rudolphi, 1819) Szidat, 1928 Host : Cygnus melanocorypha (Molina) .

Site of infection: intestine.

Locality: not reported.

Reference: Boero et al. (1972a).

Apatemon bdellocystis Lutz, 1912

Host: Cygnus melanocorypha (Molina) .

Site of infection: small intestine.

Locality: La Plata Zoological Garden, La Plata, Buenos Aires Province. References: Boero & Led (1968), Ostrowski de Núñez (1992a). Comments: Ostrowski de Núñez (1992a) erroneously reported that Boero & Led (1968) found this spe­

cies in Coscoroba coscoroba (Molina) .

Apharyngostrigea Ciurea, 1927

Apharyngostrigea simplex (Johnston, 1904)

Host: Egretta thula (Molina).

Site of infection: intestine.

Locality: Buenos Aires Zoological Garden, Buenos Aires city. Life history: Hi1: Biomphalaria straminea (Dunker) (experimental host). Hi2: Cnesterodon decemmaculatus (Jenyns) , Cichlasoma facetum (Jennyns) (experimental hosts); metacercariae in body cavity.

References: Ostrowski de Núñez (1989, 1992a).

Cardiocephaloides Sudarikov, 1959

Cardiocephaloides brandesii (Szidat, 1928) Sudarikov, 1959 Host : Larus maculipennis Lichtenstein.

Site of infection: intestine.

Locality: Huechulaufquen Lake, Lanín National Park, Neuquén Province. Reference: Szidat (1964).

Cardiocephaloides physalis (Lutz, 1927) Dubois, 1937 Host : Spheniscus magellanicus (Forster) .

Site of infection: intestine.

Locality: not reported.

Reference: Boero et al. (1972a)

Comments: Timi et al. (1999) hypothesized that the metacercariae found in eyes of Engraulis anchoita Hubbs & Marini from Argentine and Uruguayan Seas and described as Cardiocephaloides sp. (MLP, 4555), probably belong to the species C. physalis .

Cardiocephaloides sp.

Host: Spheniscus magellanicus (Forster) .

Site of infection: intestine.

Locality: Península Valdés, Chubut Province. Reference: Pazos et al. (2003).

Ophiosoma Szidat, 1928

Ophiosoma microcephalum Szidat, 1928

Hosts: Milvago chimango (Vieillot) , Buteo magnirostris (Gmelin) . Site of infection: intestine.

Localities: Urribelarrea, Buenos Aires Province; La Marcela farm, Pirané, Formosa Province. Material deposited: MLP, 5508.

References: Boero & Led (1971), Lunaschi & Drago (2006c).

Parastrigea Szidat, 1928

Parastrigea brasiliana (Szidat, 1928) Dubois, 1964

Syn. Apharyngostrigea brasiliana (Szidat, 1928) Szidat, 1929 Hosts : Ardea alba Linnaeus , Bubulcus ibis (Linnaeus) . Site of infection: intestine.

Localities: La Plata Zoological Garden, La Plata; De Monte lagoon, Buenos Aires Province. References: Boero et al. (1972b), Labriola & Suriano (1998).

Strigea Abildgaard, 1790

Strigea falconis brasiliana Szidat, 1929 Host : Buteo magnirostris (Gmelin) . Site of infection: intestine.

Locality: La Marcela farm, Pirané, Formosa Province. Material deposited: MLP, 5506.

Reference: Lunaschi & Drago (2006c).

Strigea magniova Dubois, 1988

Host: Buteo magnirostris (Gmelin) . Site of infection: intestine.

Locality: La Marcela farm, Pirané, Formosa Province. Material deposited: MLP, 5507.

Reference: Lunaschi & Drago (2006c).