Two species of Philometra (Nematoda: Philometridae) from sparid fishes (porgies) off Sicily, Italy, including Philometra obladae sp. n. from the body cavity of Oblada melanura (Sparidae) |
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Authors: | Moravec F Gaglio G Panebianco A Giannetto S |
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Institution: | (1) Institute of Parasitology, Biology Centre of the Academy of Sciences of the Czech Republic, Branišovská 31, 370 05 České Budějovice, Czech Republic;(2) Dipartimento Sanità Pubblica Veterinaria, Facoltà Medicina Veterinaria, Polo Universitario dell’Annunziata, 98168 Messina, Italy |
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Abstract: | Two species of Philometra Costa, 1845 (Nematoda: Philometridae), were, for the first time, recorded from fishes of the family Sparidae (porgies) from
the Tyrrhenian Sea off Sicily, Italy: Philometra obladae sp. n. from the body cavity of the saddled seabream Oblada melanura (Linnaeus) and Philometra filiformis (Stossich, Boll Soc Adriat Sci Nat 17:121–136, 1896) from the gonads of the common pandora Pagellus erythrinus (Linnaeus). The new species (a single gravid female available) is characterised mainly by a large body (335 mm long, 3.4 mm
wide), minute cephalic papillae (14 in number) arranged in two circles, a relatively short (1.29 mm) oesophagus with a distinct
anterior inflation, a rounded caudal end without any projections and the length of larvae (549–600 μm) from the uterus. A
key to species of Philometra with females located in the body cavity of marine and brackish-water fishes is given. Some new data on the female morphology
of a little-known gonad-infecting species P. filiformis are provided; new observations revealed, for the first time in this species, the presence of lateral cephalic papillae and
the absence of previously reported black intestinal corpuscles in the larvae. |
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