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- Title
Redescription of Philometra filiformis (Stossich, 1896) (Nematoda: Philometridae), a gonad-infecting parasite of the common pandora Pagellus erythrinus (Linnaeus) (Sparidae) in the Mediterranean Sea, including new taxonomic features revealed by SEM.
- Authors
Moravec, František; Ghanmi, Nessrine; Chaabane, Amira; Gargouri, Lamia; Justine, Jean-Lou
- Abstract
The insufficiently known nematode species Philometra filiformis (Stossich, 1896) (Philometridae) is redescribed based on light and scanning electron microscopical (SEM) examinations of specimens collected from the ovaries of the type-host, the common pandora Pagellus erythrinus (Linnaeus) (Perciformes, Sparidae), from off the Mediterranean coast of Tunisia. The male of this species was studied with SEM for the first time, which revealed some new, taxonomically important morphological features. The male posterior end has a caudal mound consisting of two lateral parts widely separated dorsally from each other, four pairs of small adanal papillae, a pair of large but moderately developed papillae located posterior to the cloacal aperture and a pair of small phasmids. The distal end of the gubernaculum is unique among all but one gonad-infecting species of Philometra Costa, 1845 by the chevron-shaped dorsal lamellar structures forming a median longitudinal range. Philometra filiformis is for the first time reported from Tunisian coastal waters, being the seventh philometrid species so far recorded from marine fishes off Tunisia.
- Subjects
NEMATODES; PHILOMETRIDAE; SCANNING electron microscopy; PAGELLUS erythrinus; PARASITES
- Publication
Systematic Parasitology, 2017, Vol 94, Issue 9, p979
- ISSN
0165-5752
- Publication type
Article
- DOI
10.1007/s11230-017-9758-9