The life cycle of the swim bladder nematode Huffmanela huffmani Moravec, 1987 (Trichinelloidea: Trichosomoididae), an endemic parasite of centrarchid fishes in the upper spring run of the San Marcos River in Hays County, Texas, USA, was experimentally completed. The amphipods Hyalella cf. azteca (Saussure), Hyalella sp. and Gammarus sp. were successfully infected with larvated eggs of Huffmanela huffmani. After ingestion of eggs of H. huffmani by experimental amphipods, the first-stage larvae hatch from their eggshells and penetrate through the digestive tract to the hemocoel of the amphipod. Within about 5 days in the hemocoel of the experimental amphipods at 22 °C, the larvae presumably attained the second larval stage and were infective for the experimental centrarchid definitive hosts, Lepomis spp. The minimum incubation period before adult nematodes began laying eggs in the swim bladders of the definitive hosts was found to be about 7.5 months at 22 °C. This is the first experimentally completed life cycle within the Huffmanelinae.

• Klíčová slova
• Amphipoda, Gammarus, Hyalella, Trichinelloidea, USA, development, fish, intermediate host, swim bladder nematode,
• MeSH
• Amphipoda parazitologie   MeSH
• čas MeSH
• hlístice fyziologie   MeSH
• nematodózy parazitologie   MeSH
• nemoci ryb parazitologie   MeSH
• Perciformes parazitologie   MeSH
• stadia vývoje * MeSH
• vzdušné vaky parazitologie   MeSH
• zvířata MeSH
• Check Tag
• zvířata MeSH
• Publikační typ
• časopisecké články MeSH
• Geografické názvy
• Texas MeSH

• MeSH
• feces parazitologie   MeSH
• kojenec MeSH
• lidé MeSH
• ovum ultrastruktura   MeSH
• průjem kojenců parazitologie   MeSH
• Trichinelloidea cytologie   MeSH
• zvířata MeSH
• Check Tag
• kojenec MeSH
• lidé MeSH
• zvířata MeSH
• Publikační typ
• časopisecké články MeSH
• Geografické názvy
• Španělsko MeSH

• MeSH
• granulom patologie   MeSH
• játra patologie   MeSH
• lidé MeSH
• nematodózy patologie   MeSH
• parazitární onemocnění jater patologie   MeSH
• Trichinelloidea * MeSH
• Check Tag
• lidé MeSH
• Publikační typ
• časopisecké články MeSH
• Geografické názvy
• Československo MeSH

• MeSH
• diferenciální diagnóza MeSH
• larva migrans viscerální diagnóza   MeSH
• lidé MeSH
• nematodózy diagnóza   MeSH
• parazitární onemocnění jater diagnóza   MeSH
• Trichinelloidea * MeSH
• Check Tag
• lidé MeSH
• ženské pohlaví MeSH
• Publikační typ
• časopisecké články MeSH

A new nematode species, Pseudocapillaria ophisterni sp. n., is described from the intestine and rarely from the stomach of the swamp-eel, Ophisternon aenigmaticum Rosen et Greenwood, from Catemaco Lake, Veracruz, Mexico. In having both caudal lobes in the male interconnected by a distinct dorsal membrane, it belongs to the subgenus Ichthyocapillaria. It differs from the three species in this subgenus mainly in possessing either a distinctly longer spicule or a smaller length of oesophagus relative to body length. It also differs in host type and geographical distribution. P. ophisterni is the first capillariid species reported from synbranchiform fishes.

• MeSH
• Anguilla parazitologie   MeSH
• střeva parazitologie   MeSH
• Trichinelloidea anatomie a histologie   klasifikace   izolace a purifikace   MeSH
• žaludek parazitologie   MeSH
• zvířata MeSH
• Check Tag
• mužské pohlaví MeSH
• ženské pohlaví MeSH
• zvířata MeSH
• Publikační typ
• časopisecké články MeSH
• práce podpořená grantem MeSH
• Geografické názvy
• Mexiko MeSH

A total of 83 hosts of the order Passeriformes from Nepal were examined for nematodes. Nine of them were found to be infected with 4 nematode species, Capillaria exilis, C. ovopunctata, Capillaria sp. and Thominx rigidula. The last species is redescribed in detail. Three of the definitive hosts are new for the above-mentioned nematode species and this is the first recorded from Nepal.

• MeSH
• Capillaria anatomie a histologie   klasifikace   MeSH
• ptáci parazitologie   MeSH
• Trichinelloidea klasifikace   MeSH
• zvířata MeSH
• Check Tag
• mužské pohlaví MeSH
• ženské pohlaví MeSH
• zvířata MeSH
• Publikační typ
• časopisecké články MeSH
• Geografické názvy
• Nepál MeSH

Two new species of trichuroid nematodes. Huffmanela japonica n. sp. and Huffmanela shikokuensis n. sp., are established on the basis of their egg morphology and biological characters; the eggs of both species occur in the musculature of marine fishes from the Inland Sea of Japan. The dark-shelled eggs of H. japonica are found locally in masses ("black spots") in the flesh of Upeneus bensasi (Temminck et Schlegel) (Mullidae, Perciformes) and are characterized mainly by their shape and size (58-69 x 26-30 microm), an aspinose superficial transparent envelope enclosing the egg proper, relatively small polar plugs, and by their thick egg wall (4-5 microm). The eggs of H. shikokuensis are also dark-colored and are found evenly distributed in the musculature of Stephanolepis cirrhifer (Temminck et Schlegel) (Monacanthidae, Tetraodontiformes); they are characterized mainly by their shape and size (78-90 X 36-45 microm), by a very thin and aspinose superficial transparent envelope, large polar plugs, and relatively thin egg wall (3 microm). Histological sections of the host's infected musculature showed the presence of H. shikokuensis nematodes inside the muscle cells and in the intercellular spaces. A key to Huffmanela species based on egg morphology is provided.

• MeSH
• mořská voda MeSH
• nemoci ryb parazitologie   MeSH
• ovum ultrastruktura   MeSH
• Perciformes parazitologie   MeSH
• ryby MeSH
• svaly parazitologie   MeSH
• Trichinelloidea klasifikace   MeSH
• zvířata MeSH
• Check Tag
• zvířata MeSH
• Publikační typ
• časopisecké články MeSH
• práce podpořená grantem MeSH
• Geografické názvy
• Japonsko MeSH

Examination of 32 spiral valves from neonate specimens of hammerhead shark Sphyrna spp. (Carcharhiniformes: Sphyrnidae) captured between June and August 2018 off the Atlantic coast of South Carolina, USA, revealed the presence of the capillariid nematode Piscicapillaria bursata (Capillariidae) in the Carolina hammerhead S. gilberti, the scalloped hammerhead S. lewini, and their hybrids. This is the second find of this parasite originally described from hammerhead sharks off Australia, its first record from the western Atlantic Ocean, and its first record in a new host species and in hybrids.

• Klíčová slova
• Parasitic nematode, South Carolina, Sphyrnidae, Trichinelloidea, USA,
• MeSH
• hlístice * MeSH
• žraloci * parazitologie   MeSH
• zvířata MeSH
• Check Tag
• zvířata MeSH
• Publikační typ
• časopisecké články MeSH
• Geografické názvy
• Atlantský oceán MeSH
• Austrálie MeSH
• Jižní Karolína MeSH

• MeSH
• ekologie MeSH
• hlístice anatomie a histologie   klasifikace   MeSH
• hlodavci MeSH
• myši MeSH
• Oxyuroidea anatomie a histologie   klasifikace   MeSH
• ptáci MeSH
• Trichinelloidea anatomie a histologie   klasifikace   MeSH
• zvířata MeSH
• Check Tag
• mužské pohlaví MeSH
• myši MeSH
• ženské pohlaví MeSH
• zvířata MeSH
• Publikační typ
• časopisecké články MeSH
• Geografické názvy
• Jugoslávie MeSH

A description is made of a new trichurid species of the subfamily Capillariinae, Aonchotheca moraveci sp. n., parasitizing the stomach of the long-fingered bat, Myotis capaccinii (Bonaparte, 1837), in Spain. The male presents two caudal lateral alae, a membranous caudal bursa supported by two forked expansions, a spicule 405-536 microns long and a non-spiny spicular sheath. The female has a vulvar appendage and the egg-shell surface presents a fine striation, only scarcely appreciable at the polar plugs.

• MeSH
• Chiroptera parazitologie   MeSH
• nematodózy parazitologie   veterinární   MeSH
• Trichinelloidea anatomie a histologie   klasifikace   MeSH
• zvířata MeSH
• Check Tag
• mužské pohlaví MeSH
• ženské pohlaví MeSH
• zvířata MeSH
• Publikační typ
• časopisecké články MeSH
• práce podpořená grantem MeSH
• Geografické názvy
• Španělsko MeSH