Abstract:A bladder fluke from the toad Bombina variegata is described and erected as a new species under the name of Gorgoderina alobata sp.nov. A comparison is made between this trematode and G. carli Baer, 1930, from India. It is also compared with the other two previously described European species, G. vitelliloba (Olsson, 1876) and G. skrjabini Pigulevsky, 1953.
“…Fully ovigerous specimens of G. megacetabularis n. sp. are small, thus resembling G. alobata Lees andMitchell, 1966, G. attenuata (Stafford, 1902 , at 100-370 (1.3-4.7% of BL) to posterior margin of ventral sucker, right vitellarium with 12 follicles, left vitellarium with 7-8 follicles (Fig. 5B).…”
Gorgoderina parvicava, G. diaster, and G. megacetabularis n. sp. are reported inhabiting the urinary bladders of Rana vaillanti and R. cf. forreri from northwestern Costa Rica. Gorgoderina megacetabularis n. sp. differs from all other species of the genus by the combination of the following characters: small body size (2.78-3.17, mean 2.92 mm), sucker ratio (1:3.1-3.7), and by the presence of 2 compact, oval, unlobed vitelline masses. Redescription of G. diaster including previously undescribed details on the reproductive apparatus and morphometric data is provided. This is the first record of the 3 species of Gorgoderina in Costa Rica and is the first record of G. diaster in R. vaillanti and R. cf. forreri.
“…Fully ovigerous specimens of G. megacetabularis n. sp. are small, thus resembling G. alobata Lees andMitchell, 1966, G. attenuata (Stafford, 1902 , at 100-370 (1.3-4.7% of BL) to posterior margin of ventral sucker, right vitellarium with 12 follicles, left vitellarium with 7-8 follicles (Fig. 5B).…”
Gorgoderina parvicava, G. diaster, and G. megacetabularis n. sp. are reported inhabiting the urinary bladders of Rana vaillanti and R. cf. forreri from northwestern Costa Rica. Gorgoderina megacetabularis n. sp. differs from all other species of the genus by the combination of the following characters: small body size (2.78-3.17, mean 2.92 mm), sucker ratio (1:3.1-3.7), and by the presence of 2 compact, oval, unlobed vitelline masses. Redescription of G. diaster including previously undescribed details on the reproductive apparatus and morphometric data is provided. This is the first record of the 3 species of Gorgoderina in Costa Rica and is the first record of G. diaster in R. vaillanti and R. cf. forreri.
“…Los testículos en G. chilensis son de bordes lisos, pero en G. valdiviensis son irregulares. Gorgoderina parvicava, G. cedroi, G. carli (Fernandes 1958), G. alobata Lees & Mitchell (1966) y G. valdiviensis, formarían un grupo que j¡e diferenciaría de las restantes especies del género por tener las glándulas vitelógenas de contornos regulares, sin lóbulos ni fisuras.…”
Section: Descripción Del Holotipounclassified
“…Entre los anuros, Gorgoderina parasita especialmente a especies del suborden Neobatrachia Reig (1958) (Racophorus, Bufo, Pseudis, Rana, Leptodactylus, Caudiverbera, Rhinoderma, Elosia), sin embargo Lees et al (1966) reportaron la presencia de G. alobata en Bombina variegata un anuro del suborden Archaeobatrachia (Reig, 1958). Algunas de las especies de Gorgoderina que parasitan a sapos y ranas tiene una gran especificidad (G. chilensis, G. valdiviensis, G. capsensis, G. aurora, G. megalorchis, G. tanneri, G. cedroi, G. pigulevskyi, G. orientalis, G. intermedia, G. tenua, G. schistorchis, G. carli, G. carioca, G. skarbilovitschi, G. skrjabini, G. tanigawaensis …”
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