14 documents found, page 1 of 2
Redescription of Temnocephala iheringi (Platyhelminthes: Temnocephalida) based ...
Seixas,Samantha A.; Amato,José F. R.; Amato,Suzana B.The original description of Temnocephala iheringi Haswell, 1893 was based on specimens collected by Hermann von Ihering from undetermined ampullariid apple snails, which at that time were identified as Ampullaria sp., and sent to William H. Haswell, with the type locality simply indicated as Brazil. The type specimens studied by Haswell were not found in the scientific collections of Brazil, Europe or Australia...
First report of Temnocephala haswelli (Platyhelminthes: Temnocephalida) in Poma...
Seixas,Samantha A.; Amato,José F. R.; Amato,Suzana B.The impact of the discovery of Temnocephala haswelli Ponce de Léon, 1989, described as ectosymbionts of ampullariid apple snails outside of Uruguay, motivated us to collect a large number of specimens of Pomacea canaliculata (Lamarck, 1822) from several localities in the southern portion of the state of Rio Grande do Sul. This species was recorded three times after its description: in a study of chromosomes, in...
First report of Temnocephala rochensis (Platyhelminthes: Temnocephalida) from P...
Seixas,Samantha A.; Amato,José F. R.; Amato,Suzana B.Temnocephala rochensis Ponce de Léon, 1979, was the second of four species of Temnocephala Blanchard, 1849 to be described as ectosymbiont of ampullariid apple snails, Pomacea canaliculata (Lamarck, 1822). There have been no records of this Uruguayan species after its initial description. As part of the present study, 111 specimens of P. canaliculata were collected between 2003 and 2009. Temnocephalans found in...
Prosthogonimus ovatus (Rudolphi) (Digenea, Prosthogonimidae) em três espécies d...
Monteiro,Cassandra M.; Amato,José F. R.; Amato,Suzana B.Três espécies de aves, dois anatídeos, Dendrocygna bicolor (Vieillot, 1816) (marreca-caneleira) e Netta peposaca (Vieillot, 1816) (marrecão) e um phalacrocoracídeo, Phalacrocorax brasilianus (Gmelin, 1789) (biguá) foram coletados em vários locais na Província da Planície Costeira e no Lago Guaíba, Estado do Rio Grande do Sul. O número de aves examinadas de cada espécie de hospedeiro, assim como os valores de pr...
A new species of Temnocephala Blanchard (Platyhelminthes, Temnocephalida) ectos...
Amato,José F. R.; Seixas,Samantha A.; Amato,Suzana B.Temnocephala minutocirrus sp. nov., an ectosymbiont on Cryphocricos granulosus De Carlo, 1967, is described from the State of Rio Grande do Sul, southern Brazil. One hundred and nine naucorids were examined, of which 36 (33%) were positive for this species of Temnocephala Blanchard, 1849. In one sample of 94 creeping water bugs, 49 (52%) were 4th instar nymphs, 6% of which were infested; 45 (48%) were adults, e...
Belostoma dilatatum (Dufour) (Hemiptera, Belostomatidae) hosting metacercariae ...
Amato,Suzana B.; Amato,José F. R.Giant water bugs (aquatic Heteroptera), Belostoma dilatatum (Dufour, 1863), were collected in rice plantation water canals, in the Municipality of Eldorado do Sul, outskirts of Porto Alegre, State of Rio Grande do Sul, southern Brazil. Five specimens were dissected with the objective of finding metacercariae of digenetic trematodes. Four of them (80%) were positive for metacercarial cysts of Stomylotrema vicari...
Echinuria uncinata (Rudolphi) (Nematoda, Acuariidae) in Netta peposaca (Vieillo...
Silveira,Eliane F. da; Amato,José F. R.; Amato,Suzana B.This is the first report of a species of Echinuria Soloviev, 1912, on anatid hosts in South America, causing granulomas. It is also the first detailed description and record of a species of Echinuria, for South America in the Rosy-billed Pochard, Netta peposaca (Vieillot, 1816). Fifty-two rosy-billed pochards were examined for helminths in the Municipalities of Santa Vitória do Palmar (locality of Fazenda Sosse...
A new species of Temnocephala Blanchard (Platyhelminthes, Temnocephalida) ectos...
Amato,José F. R.; Amato,Suzana B.; Seixas,Samantha A.Temnocephala trapeziformis sp. nov., ectosymbiont on Trichodactylus fluviatilis Latreille, 1828 is described from the State of Rio Grande do Sul, southern Brazil. Sixty-eight crabs were examined, of which 61 (89.7 %) were positive for this species of the genus Temnocephala Blanchard, 1849. Eggs, as well as adult and young specimens, were found on the pleural areas of the carapace, in the orbital cavities, and, ...
A new species of Andracantha Schmidt (Acanthocephala, Polymorphidae) parasite o...
Monteiro,Cassandra M.; Amato,José F. R.; Amato,Suzana B.A new species of the genus Andracantha Schmidt, 1975, parasite of Neotropical cormorants, Phalacrocorax brasilianus (Gmelin, 1789), is described and compared to the other six species currently placed in the genus. The new species differs from the previously known species of Andracantha by having two inflations in the anterior region of the trunk and by having the testes in tandem in the central region of the bo...
Primeiro registro de Syncuaria squamata (Linstow) (Nematoda, Acuariidae) em big...
Monteiro,Cassandra M.; Amato,José F. R.; Amato,Suzana B.Os nematóides do gênero Syncuaria Gilbert, 1927 são parasitos de aves das ordens Pelecaniformes, Ciconiiformes e Podicipediformes. Onze espécies são consideradas válidas neste gênero, no entanto, somente duas, Syncuaria buckleyi (Ali, 1957) Wong, Anderson & Bartlett, 1986 e Syncuaria squamata (Linstow, 1883) Wong, Anderson & Bartlett, 1986 parasitam aves do gênero Phalacrocorax Brisson, 1760. Entre 1999...