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Systematic Parasitology

Eliza Glowska, Kamila Romanowska, Brian K Schmidt, Miroslawa Dabert
A new quill mite species Torotrogla paenae n. sp. (Acariformes: Syringophilidae) parasitising the Kalahari scrub-robin Cercotrichas paena (Smith) (Passeriformes: Muscicapidae) in Namibia is described based on the external morphology and DNA barcode data (the mitochondrial cytochrome c oxidase subunit 1 sequences, cox1). Females of T. paenae n. sp. morphologically differ from the most similar species T. lusciniae Skoracki, 2004 by the total body length (780-830 vs 645-715 µm in T. lusciniae) and the presence of hysteronotal shields (vs absence), apunctate propodonotal and pygidial shields (vs punctate), apunctate coxal fields (vs punctate), the fan-like setae p' and p" of legs III-IV provided with c...
September 19, 2018: Systematic Parasitology
Daniel González-Acuña, María N Saracho-Bottero, Gonzalo Ossa, Alberto A Guglielmone, Santiago Nava
This paper provides a re-description of the female and a description of the nymph of Ixodes chilensis Kohls, 1956. Additionally, the phylogenetic position of the species of Ixodes Latreille, 1796 belonging to the subgenus Pholeoixodes Schulze, 1942 was analysed and discussed based on a phylogenetic pattern obtained with mitochondrial DNA sequences of the 16S rRNA gene. The diagnostic characters unique for the female of I. chilensis are a combination of coxae I-IV of legs with one external minute triangular spur each (barely perceptible) and lacking internal spur, tarsus I with a subapical dorsal hump, basis capituli subrectangular with sinuous posterior margin, hypostome rounded apically, cornua and auriculae absent, scapulae pointed, palps short, porose areas rounded separated by an interporose area wider than the diameter of one area, scutum with posterior margin straight and surface in the anterolateral field rugose, with punctations larger in the posterior field...
August 28, 2018: Systematic Parasitology
Scott C Cutmore, Thomas H Cribb, Michael B Bennett, Ian Beveridge
Parasitological examination of elasmobranchs of Moreton Bay, Queensland, Australia, resulted in the discovery of cestodes belonging to several armed genera of the Tetraphyllidea and Onchoproteocephalidea. Two new tetraphyllideans, Yorkeria moretonensis n. sp. and Yorkeria williamsi n. sp., are described from Chiloscyllium cf. punctatum (Hemiscylliidae). Yorkeria moretonensis n. sp. differs from its congeners in the possession of vitelline follicles that are discontinuous in the region of the ovary and in the length of its pedicels...
August 28, 2018: Systematic Parasitology
Daisuke Uyeno, Tohru Naruse
Two new species of parasitic copepods, Sagum gurukun n. sp. and S. bitaro n. sp. (Siphonostomatoida: Lernanthropidae), are described based on specimens collected from the gill filaments of the double-lined fusilier Pterocaesio digramma (Bleeker) (Actinopterygii: Perciformes: Caesionidae) and the five-lined snapper Lutjanus quinquelineatus (Bloch) (Actinopterygii: Perciformes: Lutjanidae), respectively, caught off Iriomote-jima Island, the Ryukyu Islands, East China Sea, Japan. The findings bring the number of species of Sagum to 14...
August 27, 2018: Systematic Parasitology
Masato Nitta, Masaatsu Tanaka
Choanostoma Yamaguti, 1934 was established for Choanostoma plectorhynchi Yamaguti, 1934 (Trematoda: Opecoelidae). The generic name Choanostoma, however, is a junior homonym of Choanostoma Wang, 1930 (Ciliophora: Haptorida: Didiniidae), and we propose a new replacement name, Choanotrema nom. nov.
August 25, 2018: Systematic Parasitology
Andriy Utevsky, Serge Utevsky
A new fish leech Ambulobdella shandikovi n. g., n. sp. (Hirudinida: Piscicolidae), a parasite of Whitson's grenadier Macrourus whitsoni (Regan) (Macrouridae: Gadiformes) collected in the Ross Sea at depths from 1,221 to 1,433 m, is described and compared with related taxa based on morphological and molecular characters. Ambulobdella shandikovi n. sp. is characterised by prominent segmental tubercles on the venter and dorsal segmental tubercles, an uncommon appearance of its anterior sucker with ear-like edges and an inner membrane around the mouth-pore, well-developed musculature and a unique combination of features of the reproductive and digestive systems...
August 23, 2018: Systematic Parasitology
Susan M Dippenaar
Alebion Krøyer, 1863 is one of the genera of the Caligidae Burmeister, 1835 and can easily be distinguished from other genera by the presence of modified exopodal spines on legs 1-3. Currently there are eight recognised species infecting a variety of elasmobranch hosts. Alebion difficile (van Beneden, 1892) is resurrected based on the difference in the structure of the spermatophores on the genital complex of the female but also the difference in the relative lengths of the posterior processes of the genital complex, the lateral processes on the first abdominal somite and the caudal rami...
August 22, 2018: Systematic Parasitology
Ian Beveridge
A new species of Kiluluma Skrjabin, 1916, Kiluluma ornata n. sp., is described from the intestine of the white rhinoceros Ceratotherium simum (Burchell) from South Africa. The new species is virtually identical with a species described as Kiluluma sp., but not named due to a paucity of material then available. The new species most closely resembles K. solitaria Thapar, 1924 and K. ceratotherii Beveridge & Jabbar, 2013, in the possession of an undulating anterior margin of the buccal capsule but differs in the leaf crown elements which have bulbous, lip-like expansions, which are lacking in K...
August 21, 2018: Systematic Parasitology
Yago Moises Larrat, Francisco Tiago de Vasconcelos Melo, Tássia Fernanda Furo Gomes, Yuri Wilkens, Jeannie Nascimento Dos Santos
Leptodactylus paraensis Heyer, is a Neotropical anuran species that inhabits Rainforest habitats in the eastern Amazon, but because it has only been recently separated from the Leptodactylus pentadactylus (Laurenti) species group, little is known about its helminth fauna. This study describes a new species of Oswaldocruzia Travassos, 1917 and records the first occurrence of this genus parasitising L. paraensis and the second species for the Caxiuanã National Forest in the eastern Amazon, Brazil. Oswaldocruzia lanfrediae n...
August 20, 2018: Systematic Parasitology
Evgenija V Dmitrieva, Daria Sanna, M Cristina Piras, Giovanni Garippa, Paolo Merella
Based on an integrative taxonomic approach, combining morphological characters and partial sequences of the nuclear 28S rRNA gene, a new genus and combination for the species Xenoligophoroides cobitis (Ergens, 1963) is proposed, to accommodate ancyrocephalid monogeneans, parasites on the gills of Gobius cobitis Pallas (Gobiidae) from the western Mediterranean Sea and the northern Black Sea. A morphological comparison of newly collected material with the descriptions of Ancyrocephalus cobitis Ergens, 1963 and Haliotrema cupensis Sasal, Pages & Euzet, 1998, recently synonymised and named as Haliotrema cobitis (Ergens, 1963), confirms their similarity and belonging to the same species...
July 11, 2018: Systematic Parasitology
Jackson A Tomlinson, Ivan G Horak, Dmitry A Apanaskevich
Haemaphysalis (Rhipistoma) muhsamae Santos Dias, 1954 (Acari: Ixodidae) and H. (R.) subterra Hoogstraal, El Kammah & Camicas, 1992, are redescribed based on males and females. Adults of H. muhsamae were mostly collected from various mongooses (Carnivora: Herpestidae) but also from the striped polecat, Ictonyx striatus (Perry) (Carnivora: Mustelidae), serval, Leptailurus serval (Schreber) (Carnivora: Felidae), red veld rat, Aethomys chrysophilus (de Winton) and Selinda veld rat, Aethomys silindensis Roberts (Rodentia: Muridae) in Botswana, Kenya, Mozambique, South Africa, Tanzania and Zimbabwe...
September 2018: Systematic Parasitology
Camila Pantoja, Tomáš Scholz, José Luis Luque, Arlene Jones
Two new genera and three new species of paramphistomoid digeneans are described in the family Cladorchiidae Fischoeder, 1901 from doradid, heptapterid, pimelodid and pseudopimelodid fishes in the Amazon River in Peru. Goeldamphistomum amazonum n. g., n. sp. (type-species) from Goeldiella eques (Müller & Troschel) (type-host) and Tenellus trimaculatus (Boulenger), and Goeldamphistomum peruanum n. g., n. sp. from Duopalatinus peruanus Eigenmann & Allen (type-host), Calophysus macropterus (Lichtenstein) and Microglanis sp...
September 2018: Systematic Parasitology
Terrence L Miller, Scott C Cutmore, Thomas H Cribb
A survey of the trematode fauna of lutjanid fishes off the east coast of Queensland (QLD), Australia revealed the presence of two species of Neometadena Hafeezullah & Siddiqi, 1970 (Digenea: Cryptogonimidae). Neometadena paucispina n. sp. is described from the intestine and pyloric caeca of Lutjanus fulviflamma (Forsskål) and L. russellii (Bleeker) from Moreton Bay, in southeast QLD. Specimens of the type- and only other species, N. ovata (Yamaguti, 1952) Miller & Cribb, 2008, were recovered from L...
September 2018: Systematic Parasitology
Scott C Cutmore, Rodney A Bray, Thomas H Cribb
Two new species of Bacciger Nicoll, 1914 (Faustulidae) are described infecting clupeids collected from the waters off Queensland, Australia; Bacciger minor n. sp. is described from Herklotsichthys castelnaui (Ogilby) in Moreton Bay, southern Queensland and Bacciger major n. sp. is described from Herklotsichthys quadrimaculatus (Rüppell) collected off Lizard Island, on the northern Great Barrier Reef. The two species both differ from previously described species of Bacciger in the combination of their generally elongate bodies, an entire rather than deeply lobed ovary, vitelline follicles that reach to at least the intestinal bifurcation, instead of restricted to further posteriorly but principally distributed in the hindbody, and intestinal caeca extending posteriorly well past the ventral sucker...
September 2018: Systematic Parasitology
František Moravec, Scott C Cutmore, Russell Q-Y Yong
The nematode Philometra pellucida (Jägerskiöld, 1893) (Philometridae) is redescribed from female specimens obtained from the abdominal cavity of the marine tetraodontiform fish (blackspotted puffer) Arothron nigropunctatus (Bloch & Schneider) (Tetraodontidae) off Lizard Island, Australia and off Okinawa, Japan. This is just the second record of this parasite since its description 125 years ago. Light and scanning electron microscopical examination of these nematodes revealed some taxonomically important, previously unreported morphological features, such as the number and arrangement of cephalic papillae, presence of the oesophageal cell nucleus and the size of first-stage larvae in the uterus...
September 2018: Systematic Parasitology
Thomas G Rosser, Wes A Baumgartner, Neely R Alberson, Travis W Noto, Ethan T Woodyard, D Tommy King, David J Wise, Matt J Griffin
Clinostomum spp. (Digenea: Clinostomidae) are a group of trematodes commonly found in the buccal cavity and oesophagus of a variety of piscivorous birds. The metacercariae, colloquially known as "yellow grubs," have been reported from a diverse group of freshwater fishes worldwide. In the catfish farming region of the southeastern USA, piscivorous birds present a continuous challenge for aquaculturists in the form of fish depredation and the introduction of trematodes into these static, earthen pond systems...
July 2018: Systematic Parasitology
Rodney A Bray, Thomas H Cribb, Scott C Cutmore
Digeneans of the lepocreadioid families Lepocreadiidae Odhner, 1905 and Aephnidiogenidae Yamaguti, 1934 from Moreton Bay, off southern Queensland, Australia, are recorded, along with the erection of a new family, Gibsonivermidae. Molecular data were generated for all representatives of these families collected during this study and a phylogram for members of the superfamily was generated based on the partial 28S rDNA dataset, placing these species in context with those previously sequenced. This phylogenetic analysis demonstrates that the monotypic Gibsonivermis Bray, Cribb & Barker, 1997 is isolated from all other lepocreadioids and supports the erection of Gibsonivermidae n...
July 2018: Systematic Parasitology
Halima Jmii Chine, Omar M Amin, Ana Elena Ahuir Baraja, Lamia Gargouri
Specimens of an arhythmacanthid acanthocephalan were recovered from the European sea bass Dicentrarchus labrax (L.) (Perciformes: Moronidae) in Bizerte Lagoon, northern Tunisia. The specimens collected showed high morphological similarities to Acanthocephaloides irregularis Amin, Oğuz, Heckmann, Tepe & Kvach, 2011, recovered from four species of marine fishes in the Gulf of Odessa and Sukhyi Lyman off the Ukrainian Black Sea coast. Light and scanning electron microscopy revealed some morphological differences from the Black Sea specimens in trunk spine distribution, number of proboscis hooks in males (4 instead of 5), and lack of demonstrable trunk collar...
July 2018: Systematic Parasitology
Delane C Kritsky
As part of a survey of the parasites infecting the fishes of Moreton Bay, Queensland, Australia, the gill lamellae of two species, the common silver-biddy Gerres oyena (Forsskål) and the common silver belly Gerres subfasciatus Cuvier (both Gerreidae), were found infected with monogenoids as follows: Metahaliotrema filamentosum Venkatanarasaiah, 1981 (Dactylogyridae) was redescribed from G. oyena and recorded from G. subfasciatus (both new host records); Metahaliotrema imparilis n. sp., Protogyrodactylus monacanthus n...
July 2018: Systematic Parasitology
Ian Beveridge, Aaron Jex, Nicole Tan, Abdul Jabbar
Three new species of the parasitic nematode genus Cloacina von Linstow, 1898 (Strongyloidea: Cloacininae) are described from the stomachs of wallaroos, Osphranter spp. (Marsupialia: Macropodidae), from northern Australia. Cloacina spearei n. sp. is described from O. robustus woodwardi (Thomas) and O. antilopinus (Gould) and is distinguished from congeners by the shape of the cephalic papillae, the shallow buccal capsule, the presence of an oesophageal denticle and the convoluted but non-recurrent vagina in the female...
July 2018: Systematic Parasitology
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