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Systematic Parasitology

Ana Pérez-Del-Olmo, Sara Dallarés, Simona Georgieva, Maria Constenla, Aneta Kostadinova, Maite Carrassón
The species diversity of Lepidapedon Stafford, 1904 (Lepidapediae) in the Western Mediterranean was assessed based on samples from five deep-sea gadiform fishes collected between the Balearic Islands and the Catalonian coast of Spain: Lepidion lepidion (Risso) and Mora moro (Risso) (both Moridae); Coelorinchus mediterraneus Iwamoto & Ungaro and Trachyrincus scabrus (Rafinesque) (both Macrouridae); and Phycis blennoides (Brünnich) (Phycidae). Integration of morphological and molecular evidence (28S rRNA gene and the mitochondrial nad1 gene) revealed that the deep-sea fishes in the Western Mediterranean share two species of Lepidapedon...
February 11, 2019: Systematic Parasitology
Vahid Sepahvand, Terue Cristina Kihara, Geoffrey Allan Boxshall
A new clausidiid copepod was found associated with the ghost shrimp Neocallichirus jousseaumei (Nobili) in the Persian Gulf, on the Iranian coast. The new species shares the armature formula of swimming legs 2 to 4 with C. persiaensis, but can be easily distinguished from its congeners by unique characteristics of the females: the prominent spine on endopodal segment 1 of the antenna, the armature of the maxilliped, and the elongated basis of the swimming legs. Distinguishing features observed in males include the distinct projections on the maxilliped and the armature of legs 1 and 4...
February 11, 2019: Systematic Parasitology
Thomas P Miles, Scott A Rush, Thomas G Rosser
In November 2017, oöcysts of the coccidian Eimeria macyi Wheat, 1975 were isolated from the faeces of a single eastern red bat Lasiurus borealis Müller in Lowndes County, Mississippi, USA. Sporulated oöcysts, morphologically consistent with previous accounts of E. macyi in other chiropterans, were spherical to sub-spherical in shape with a highly mamillated outer wall that appears bi-layered. Oöcysts allowed to sporulate in 2.5% potassium dichromate at ambient temperature (c.23°C) for 7 days were 17-25 × 15-20 (20...
February 11, 2019: Systematic Parasitology
Kara M Million, Bruce W Stallsmith
The striated darter (Etheostoma striatulum Page & Braasch) is a rare fish species restricted to the Duck River system in Maury County, Tennessee, USA. In this paper we describe Aethycteron striatuli n. sp., a gill parasite from a genus that has specialised on darters as the parasites' preferred hosts. Aethycteron striatuli morphologically resembles A. malleus (Mueller, 1938), A. robisoni Cloutman & McAllister, 2017, A. chlorosomus (Harrises & Vickery, 1970) and A. micropercae Suriano & Beverley-Burton, 1982...
February 11, 2019: Systematic Parasitology
David Fernandez Conga, Pedro Mayor, Elane Guerreiro Giese, Jeannie Nascimento Dos Santos
Although little studied, infections with nematodes of the Onchocercidae Leiper, 1911, predominated by the genera Dipetalonema Diesing, 1861 and Mansonella Faust, 1929, are frequent in wild primates and human populations in the Neotropical forest areas. This study reports natural infections with Dipetalonema freitasi Bain, Diagne & Muller, 1987 and D. gracile (Rudolphi, 1809) in two free-living species of pitheciid primates, extending the known geographical distribution of these species to the forest of the Peruvian Amazon...
February 11, 2019: Systematic Parasitology
Argun Akif Özak, Yetkin Sakarya, Alper Yanar, Uğur Özbilen, Geoffrey Allan Boxshall
The caligid copepod Caligus lichiae Brian, 1906 is redescribed based on new material collected from the type-host, Lichia amia (Linnaeus), and from a second carangid, Seriola dumerili (Risso), both caught in the Gulf of Iskenderun, Turkey. Key diagnostic characters of both sexes are reported, supported by drawings and scanning electron microscopy images. Despite the commercial importance of its type-host, L. amia, C. lichiae has not been reported since its original description. After detailed comparison with recent descriptions of Caligus aesopus Wilson C...
February 11, 2019: Systematic Parasitology
Masato Nitta
A new species of capsalid monogenean, Benedenia armata n. sp., is described from Lethrinus haematopterus Temminck & Schlegel (Perciformes: Lethrinidae) from off Danjo Islands, Nagasaki Prefecture, Japan. The new species differs from other species of Benedenia Diesing, 1858 in that the common genital atrium has spines and the vas deferens has two swellings. Lethrinus haematopterus has been considered as the type-host of Benedenia ishikawae (Goto, 1894) based on the local name 'Kuchibi-dai'. However, this name refers not only to L...
February 11, 2019: Systematic Parasitology
Akiko Kitamura, Kazuo Ogawa
Eighteen species of Dendromonocotyle Hargis, 1955 (Monogenea: Monocotylidae) have so far been described from elasmobranchs worldwide. In this paper, two new species are described; Dendromonocotyle tsutsumii n. sp. from the skin of the Japanese eagle ray, Myliobatis tobijei Bleeker from Tokyo Bay and the pitted stingray, Dasyatis matsubarai Miyosi, from Ooarai, Ibaraki Prefecture, Japan, and Dendromonocotyle fukushimaensis n. sp. from the skin of the cow stingray, Dasyatis ushiei (Jordan & Hubbs) reared at an aquarium in Fukushima Prefecture, Japan...
February 11, 2019: Systematic Parasitology
Chahinez Bouguerche, Delphine Gey, Jean-Lou Justine, Fadila Tazerouti
Parasite biodiversity of fish of the southern part of the Mediterranean sea is still incompletely explored. We describe here Microcotyle visa n. sp. from the gill filaments of the bluespotted seabream Pagrus caeruleostictus (Valenciennes) (Sparidae) collected off the Algerian coast. The identity of fish hosts was confirmed by barcoding. Microcotyle visa n. sp. is herein described and illustrated. Analysis of the cox1 gene of the monogeneans revealed minor intraspecific variation (1.4%), an order of magnitude lower than the distance between this species and other Microcotyle species (10-15 %)...
January 30, 2019: Systematic Parasitology
Marie-Claude Durette-Desset, María Celina Digiani
We discuss the systematic position of five species of the Heligmonellidae (Skrjabin & Schikhobalova, 1952 tribe) Durette-Desset & Chabaud, 1977 described in arvicoline rodents "Eothenomys" (sensu lato) from Japan and Thailand, classified up to now in the genera Yatinema Asakawa & Ohbayashi, 1986, Carolinensis (Travassos, 1937), Morganiella Travassos, 1937 and Neoheligmonella Durette-Desset, 1971. The species are analysed, rediagnosed and their systematic position reviewed. A new generic arrangement is proposed mainly based on characters of the synlophe such as: the presence or absence of a careen; the relative size of the ridges of the careen with respect to the right ridge; the relative sizes of the left and right ridge; the size and position of ridge 1'; the presence or absence of gradients in ridge size; and the number of ridges...
December 22, 2018: Systematic Parasitology
Olga I Lisitsyna, Olena Kudlai, Terry R Spraker, Vasyl V Tkach, Lesley R Smales, Tetiana A Kuzmina
Corynosoma obtuscens Lincicome, 1943 (Acanthocephala: Polymorphidae) is synonymised with Corynosoma australe Johnston, 1937 based on combined morphological and molecular evidence. Morphological comparison of C. obtuscens (24 males and 27 females) collected from a California sea lion Zalophus californianus (Lesson) in California, USA, with the type-specimens of C. obtuscens and C. australe, and with published data on C. australe collected from different hosts and regions showed no significant differences. The levels of genetic divergence in the cox1 sequences obtained from C...
December 6, 2018: Systematic Parasitology
Sergey Sokolov, Ekaterina Volkova, Alexander Kudryavtsev, Aleksey Parshukov
We isolated and re-investigated Nephrocystidium pickii Weißenberg, 1921 (Myxozoa: Bivalvulida: Variisporina) using light microscopy and phylogenetic analysis of the small-subunit (SSU) ribosomal RNA gene. This species is a parasite of the northern pike Esox lucius L. (Actinopterygii: Esocidae) which localizes in the endothelial cells of the glomerular capillary. The results of the phylogenetic analysis including this species clarify its taxonomic status and show that although it is the closest relative to Myxidium lieberkuehni Bütschli, 1882, the two organisms are not conspecific, contrary to the earlier hypotheses...
December 6, 2018: Systematic Parasitology
Omar M Amin, Richard A Heckmann, Nguyen Van Ha
Two rhadinorhynchid acanthocephalans are described from marine fishes off the Pacific coast of Vietnam. Sclerocollum neorubrimaris n. sp. (Gorgorhynchinae Van Cleave & Lincicome, 1940) is described from the spine-foot rabbitfish Siganus guttatus (Bloch) (Siganidae) off Nha Trang. The new species is similar to the type-species, Sclerocollum rubrimaris Schmidt & Paperna, 1978 in most measurements and counts but has a posterior cephalic ganglion, a sub-ventral female gonopore, and one dorsal paravaginal filament bundle...
December 6, 2018: Systematic Parasitology
Garrett M Coleman, Ian Beveridge, Ronald A Campbell
Seven new species of the cestode genus Rhinebothrium Linton, 1890 are reported from the spiral intestines of batoid elasmobranchs from the coasts of Australia. The new species are: Rhinebothrium dasyatidis n. sp. from the smooth stingray Bathytoshia brevicaudata (Hutton) from Spencer Gulf, South Australia; Rhinebothrium bunburyense n. sp. from the southern eagle ray, Myliobatis tenuicaudatus Hector from off Bunbury, Western Australia; Rhinebothrium vandiemeni n. sp. from the reticulate whipray, Himantura australis Last, Naylor & Manjaji-Matsumoto from off Cape van Diemen, Northern Territory; Rhinebothrium fluviorum n...
December 6, 2018: Systematic Parasitology
Jackson R Roberts, Micah B Warren, Kenneth M Halanych, Stephen A Bullard
Black-knobbed map turtles (Graptemys nigrinoda Cagle) and Alabama map turtles (Graptemys pulchra Baur) were infected with several blood flukes in Alabama (southeastern North America). Spirorchis paraminutus Roberts & Bullard n. sp. differs from its congeners by having a body that is 12-24× longer than wide, a testicular column of 10 testes that is 1/5-1/4 of the body length and located far posterior to the caecal bifurcation (the anterior-most testis is located in the posterior body half), and a common genital pore that is ventral to the ovary and 1/4-1/3 of the body length from the posterior extremity...
December 6, 2018: Systematic Parasitology
John A Hnida
Eimeria ammospermophili n. sp. (Apicomplexa: Eimeriidae) is described from 2 of 29 (7%) Harris's antelope squirrels Ammospermophilus harrisii Audubon & Bachman in Arizona, USA. Sporulated oöcysts of this new species are ovoidal to ellipsoidal, 24-32 × 20-25 (29.0 × 22.7) µm, with a pitted, bi-layered wall, an oöcyst residuum and, occasionally, a polar granule. Sporocysts are ellipsoidal, 10-12 × 7-9 (11.0 × 7.9) µm, with a Stieda body and sporocyst residuum; sporozoites are elongate with a spheroidal anterior refractile body and an ellipsoidal posterior refractile body...
December 6, 2018: Systematic Parasitology
Rodney A Bray, Harry W Palm, Stefan Theisen
The new species Bucephalus damriyasai n. sp. is described from Caranx heberi (Bennett) from off Bali, Indonesia. It can be distinguished from other Bucephalus spp. recorded from carangid hosts by its narrow elongate body shape and the relatively long distance between the rhynchus and the vitellarium, as well as other features distinguishing it from individual species. The most similar species are differentiated from B. damriyasai n. sp. as follows: B. carangis Yamaguti, 1970 has a much greater length, the rhynchus is smaller and the cirrus-sac is small, not always reaching to the posterior testis; B...
November 21, 2018: Systematic Parasitology
František Moravec, Isaure de Buron, David González-Solís
Three species of parasitic nematodes are redescribed based on light and scanning electron microscopical (SEM) examinations of newly collected specimens in fishes of South Carolina, USA: Dichelyne (Cucullanellus) bullocki Stromberg & Crites, 1972 from Fundulus heteroclitus (Linnaeus) (Fundulidae); Dichelyne (Dichelyne) diplocaecum Chandler, 1935 from Ictalurus furcatus (Valenciennes) (Ictaluridae); and Hysterothylacium pelagicum Deardorff & Overstreet, 1982 from Coryphaena hippurus Linnaeus (Coryphaenidae)...
November 21, 2018: Systematic Parasitology
Katarzyna Kaszewska, Maciej Skoracki
Two new quill mite species of the genus Psittaciphilus Fain, Bochkov & Mironov, 2000 (Acariformes: Prostigmata: Syringophilidae) collected from columbiform birds (Columbiformes) are described: Psittaciphilus montanus n. sp. form the ruddy quail-dove Geotrygon montana Gosse from Trinidad and Tobago, Brazil and Panama, and Psittaciphilus patagioenas n. sp. from the band-tailed pigeon Patagioenas fasciata (Say) from Colombia and the scaled pigeon Patagioenas speciosa (Gmelin) from Surinam. A key to the species of the genus Psittaciphilus is provided...
November 2018: Systematic Parasitology
Alejandra López-Jiménez, Martín García-Varela, Jesús S Hernández-Orts
Based on a morphological approach, five species of cyclocoelids (Digenea: Cyclocoelidae) are revised based on material from birds in Mexico. The species studied are: Cyclocoelum cf. leidyi Harrah, 1922 from the black-necked stilt Himantopus mexicanus Müller (Recurvirostridae); Cyclocoelum mutabile (Zeder, 1800) from the northern jacana Jacana spinosa L. (Jacanidae) and the willet Tringa semipalmata Gmelin (Scolopacidae); Cyclocoelum pseudomicrostomum Harrah, 1922 from the American coot Fulica americana Gmelin (Rallidae); Selfcoelum lamothei Blend & Dronen, 2008, from the long-billed curlew Numenius americanus Bechstein (Scolopacidae); and Neohaematotrephus arayae Zamparo, Brooks, Causey & Rodriguez, 2003 from J...
November 2018: Systematic Parasitology
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