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1

Calydiscoides limae sp.nov. [Monogenea, Diplectanidae] from Pentapodus aureofasciatus [Perciformes, Nemipteridae] off New Caledonia

100%
Justine J. L., Brena P. F.
Acta Parasitologica
|
2009
|
tom 54
|
nr 1
22-27
Calydiscoides limae sp. nov. is described from the nemipterid Pentapodus aureofasciatus Russell, 2001 caught along the barrier reef off New Caledonia, South Pacific. The new species is characterised by its male copulatory organ, with a distal blade and a lateral spur, and its female sclerotised organ, with a sphere and a thin tube. Its lamellodiscs always have 7 concentric lamellae, with the 3 internal lamellae complete and the 4 peripheral lamellae progressively less and less complete; measurements of the angles occupied by the lamellae in numerous specimens showed that the lamellodisc structure shows little variation among individuals.
2

Diplectanids (Monogenea) parasitic on sciaenid fish from Peru with the proposal of Pseudorhamnocercoides n. gen., the description of Rhamnocercus dominguesi n. sp. and the redescription of Rhamnocercoides menticirrhi Luque and Iannacone, 1991

100%
Chero J. D., Cruces C. L., Saez G., Iannacone J., Luque J. L.
Acta Parasitologica
|
2017
|
tom 62
|
nr 3
3

Lamellodiscus theroni sp.nov. [Monogenea, Diplectanidae] a gill parasite from Diplodus puntazzo [Teleostei, Sparidae] from the Mediterranean Sea

100%
Amine F., Euzet L., Kechemir-Issad N.
Acta Parasitologica
|
2007
|
tom 52
|
nr 4
We propose to name as Lamellodiscus theroni sp. nov., the gill parasite of Diplodus puntazzo (Cetti) that was reported by Euzet (1984) as L. ergensi Euzet and Oliver, 1966 in Kerkennah Island (Tunisia). L. theroni sp. nov. was also found specific to D. puntazzo in Algiers Bay (Algeria) and in Gulf of Lion (France). The host specificity of various Lamellodiscus species on D. puntazzo is briefly discussed. Within Lamellodiscus, L. theroni belongs to the “ignoratus” group characterized by a “lyre” shaped male copulatory organ and to the “ergensi” subgroup, characterized by a complex morphology of the haptoral dorsal bars. L. theroni differs from the five other species of this subgroup (L. ergensi, L. kechemirae, L. tomentosus, L. sanfilippoi, L. baeri) by the morphology and the size of the haptoral dorsal bar. L. theroni, as well as, L. hilii, L. bidens, L. impervius, was only reported on the sparid Diplodus puntazzo. These parasite species are all considered as oioxenic.
4

Pseudorhabdosynochus inversus sp.nov. [Monogenea, Diplectanidae] from the halfmoon grouper Epinephelus rivulatus [Perciformes, Serranidae] off New Caledonia

100%
Justine J. L.
Acta Parasitologica
|
2008
|
tom 53
|
nr 4
Pseudorhabdosynochus inversus sp. nov. is described from three specimens found in a halfmoon grouper, Epinephelus rivulatus, from the external slope of the barrier reef, New Caledonia, South Pacific. The new species is characterised by the structure of its sclerotised vagina, which resembles that of P. epinepheli (Yamaguti, 1938) but has its primary chamber inverted, and by its measurements. The diplectanid fauna of E. rivulatus shows the same pattern as in other groupers, probably belonging to a clade in which fish species harbour both an abundant species of the ‘Pseudorhabdosynochus cupatus group’ (here P. calathus Hinsinger et Justine, 2006) and a rare species (here P. inversus).
5

Diplectanum parvus sp.nov. [Monogenea, Diplectanidae] from Cephalopholis urodeta [Perciformes, Serranidae] off New Caledonia

100%
Justine J. L.
Acta Parasitologica
|
2008
|
tom 53
|
nr 2
Diplectanum parvus sp. nov. is described from the coral reef fish Cephalopholis urodeta collected off New Caledonia, South Pacific, and is the first diplectanid described from this fish. The new species has a very small male copulatory organ (24 μm in length) and a minute body (246 μm in length) and is close to D. nanus Justine, 2007 from which it can be distinguished by the shape of dorsal bars and various measurements. These species belong to a group of diplectanids found in groupers (Serranidae, Epinephelinae), characterised by small funnel-shaped male copulatory organs and no sclerotized female organs. The attribution of these parasites to Diplectanum Diesing is provisional. Other parasites are briefly listed.
6

Lamellodiscus crampus sp.nov. [Monogenea, Diplectanidae], a parasite of Dentex maroccanus [Teleostei, Sparidae] from off Tunisia

100%
Neifar L.
Acta Parasitologica
|
2008
|
tom 53
|
nr 3
Lamellodiscus crampus sp. nov. (Monogenea, Diplectanidae) is described from the gills of Dentex maroccanus (Valenciennes) collected from the Gulf of Gabès (Tunisia) in the oriental part of Mediterranean Sea. The new species belongs to the “ignoratus” group (sensu Oliver 1987) characterized by a lamellodisc with complete lamellae and a “lyre” shaped male copulatory organ, and the “ignoratus” sensu stricto subgroup, characterized by a haptor with simple lateral dorsal bars, as proposed by Amine and Euzet (2005). Lamellodiscus crampus can be easily distinguished from all the congeneric species of the subgroup “ignoratus” by the presence, in the “lyre” male copulatory organ, of five spines in the distal portion on the axial side of the paired piece.
7

Pseudorhabdosynochus bacchus sp.nov. [Monogenea, Diplectanidae] from Epinephelus coeruleopunctatus [Perciformes, Serranidae] off New Caledonia

100%
Sigura A., Chauvet C., Justine J. L.
Acta Parasitologica
|
2007
|
tom 52
|
nr 3
Pseudorhabdosynochus bacchus sp. nov. (Diplectanidae) is described from the gills of the whitespotted grouper Epinephelus coeruleopunctatus collected off New Caledonia, South Pacific, and is the first monogenean reported from this fish. It has a characteristic quadriloculate male organ, with both cone and tube of similar short length (10–12 μm). The morphology of its sclerotised vagina, with two chambers of equal size, differentiates it from all other species of the genus. Other rare Pseudorhabdosynochus species and specimens of an undescribed species of Haliotrema (Ancyrocephalidae) were also found, but in insufficient number to allow description.
8

New species of Rhabdosynochus Mizelle and Blatz 1941 (Monogenoidea: Diplectanidae) from the gills of the cultured Centropomus viridis (Perciformes) in the Mexican Eastern Tropical Pacific

80%
Montero-Rodriguez M., Mendoza-Franco E. F., Lopez Tellez N. A.
Acta Parasitologica
|
2021
|
tom 66
|
nr 2
9

Resolution of the discrepant host-specificity of Pseudorhabdosynochus species [Monogenea, Diplectanidae] from serranid fishes in the tropical Indo-Pacific

80%
Justine J. L., Dupoux C., Cribb T. H.
Acta Parasitologica
|
2009
|
tom 54
|
nr 2
119-130
New material from Epinephelus quoyanus collected from Heron Island, Australia and material collected by Young in the same locality, allegedly from E. merra, and deposited in the Queensland Museum, contained the same three species of diplectanid monogeneans: Pseudorhabdosynochus cupatus (Young, 1969), P. vagampullum (Young, 1969), and P. justinei Zeng et Yang, 2007 (new record for Australia). In contrast, E. merra in New Caledonia harbours only P. melanesiensis (Laird, 1958). It is concluded that the type-host of P. cupatus and P. vagampullum is not E. merra, as indicated in Young (1969), but E. quoyanus, and that P. cupatus sensu Young comprises two species, P. cupatus from E. quoyanus and P. youngi sp. nov. from E. fasciatus. P. youngi sp. nov. is described from E. fasciatus from New Caledonia (type-locality), Heron Island, and French Polynesia, and distinguished from P. cupatus on the basis of the male quadriloculate organ, sclerotised vagina and lamellosquamodiscs. Thus, P. cupatus, P. melanesiensis and P. youngi each have a single host, respectively E. quoyanus, E. merra, and E. fasciatus. Results for E. fasciatus and E. merra in New Caledonia, Wallis and French Polynesia suggest impoverishment of the monogenean fauna in a West-East gradient in the Pacific.
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