The Life Cycle and Development of Spinitectus gracilis (Nematoda: Spirurida)

Jilek, Reid; Crites, John L.

doi:10.2307/3225572

Cited by 8 publications

(8 citation statements)

References 2 publications

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“…gracilis to be 600µm and 150µm, respectively, and may be the source of these measurements . A description and illustration of the spicules presented by Jilek & Crites (1982a) are similar to the measurements reported by Ali (1956) and Christian (1972) . The diagram (plate 21, fig .…”

Section: Discussionsupporting

confidence: 79%

“…inermis that the length of the long spicule increases with increase in body size . This does not explain the discrepancy between Mueller & Van Cleave's (1932) measurements and those of Jilek & Crites (1982a), since the reverse seems to be the case . Males of S .…”

Section: Discussionmentioning

confidence: 73%

“…50801) resembled the above description of Ward & Magath (1917) but were, judging from their state of maturity, fourth stage larvae of S . gracilis (Jilek & Crites, 1982a) . S .…”

Section: Discussionmentioning

confidence: 99%

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Spinitectus acipenseri n. sp. (Nematoda: Cystidicolidae) from the lake sturgeonAcipenser fulvescens (Rafinesque) in Canada

Choudhury

Dick

1992

Syst Parasitol

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Spinitectus acipenseri is described as a new species from the muscular stomach of the lake sturgeon Acipenser fulvescens from Manitoba and Saskatchewan . This new species closely resembles S . gracilis Ward & Magath, 1917, but the major differences are the arrangement and larger size of spines (circlets and semicirclets of spines reaching to the anus in females of S . acipenseri) . Other differences include total body dimensions of adults (length and width relationships) and a 1 :4-1 :5 ratio of oesophagus to body length .

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Section: Discussionsupporting

confidence: 79%

Section: Discussionmentioning

confidence: 73%

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Spinitectus acipenseri n. sp. (Nematoda: Cystidicolidae) from the lake sturgeonAcipenser fulvescens (Rafinesque) in Canada

Choudhury

Dick

1992

Syst Parasitol

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“…(arctica?) (Valter and Valovaya 1990), Capillospirura pseudoargumentosa (Appy et Dadswell, 1978) (see Appy and Dadswell 1983), Cystidicola farionis Fischer, 1798 (see Smith andLankester 1979, Black andLankester 1980), Cystidicola stigmatura (Leidy, 1886) (see Smith andLankester 1979, Black andLankester 1980), Spinitectus carolini Holl, 1928 (see Jilek andCrites 1982b), Spinitectus gracilis Ward et Magath, 1917(see Gustafson 1939, Jilek and Crites 1982c, Spinitectus inermis (Zeder, 1800) (see Saraiva et al 2002a), Spinitectus micracanthus Christian, 1972(see Keppner 1975 and Sterliadochona ephemeridarum (Linstow, 1872) (see Choquette 1955, Moravec 1971a, De and Moravec 1979.…”

Section: Life Cyclesmentioning

confidence: 99%

Some aspects of the taxonomy and biology of adult spirurine nematodes parasitic in fishes: a review

Moravec¹

2007

FOLIA PARASIT

100

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Abstract. About 300 species belonging to four superfamilies (Gnathostomatoidea, Habronematoidea, Physalopteroidea and Thelazioidea) of the nematode suborder Spirurina are known as the adult parasites of freshwater, brackish-water and marine fishes. They are placed in four families, of which the Gnathostomatidae, including Echinocephalus with a few species and the monotypic Metaleptus, are parasites of elasmobranchs, whereas Ancyracanthus contains one species in teleosts; the Physalopteridae is represented in fish by four genera, Bulbocephalus, Heliconema, Paraleptus and Proleptus, each with several species in both elasmobranchs and teleosts. The majority of fish spirurines belongs to the Rhabdochonidae, which includes 10 genera

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“…Gustafson (1939) reports that he obtained young adults of S. gracilis from experimentally infected fish 3 days p.i., but this is evidently incorrect, because such a short period is not enough to allow the parasites to grow into adults in the cold-blooded vertebrates, as already pointed out by Hasegawa and Otsuru (1977). According to Jilek and Crites (1982b), larvae of S. gracilis in the fish definitive host (at 20 o C) undergo the third moult 3 days p.i. and the fourth moult 15 days p.i., and the whole prepatent period is 24 days.…”

Section: Discussionmentioning

confidence: 99%

Development of Spinitectus inermis (Nematoda: Cystidicolidae), a parasite of eel, Anguilla anguilla, in Europe

Saraiva

Moravec²,

Pereira³

et al. 2002

FOLIA PARASIT

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Abstract. The development of the nematode Spinitectus inermis (Zeder, 1800), a parasite of the stomach of eels, Anguilla anguilla (L.) in Europe, was experimentally studied. Mayfly nymphs Caenis macrura, Ecdyonurus dispar, Heptagenia sulphurea, Potamanthus luteus and Seratella ignita from Portugal and the Czech Republic were found to serve as experimental intermediate hosts. After ingestion of the nematode eggs by the mayfly nymphs, the toothed first-stage larvae were released and penetrated into the body cavity of the intermediate host. There they moulted twice (on day 4 and 6 post infection [p.i.] at water temperatures of 20-25°C), attaining the third infective stage. The definitive host, A. anguilla, undoubtedly acquires infection by feeding on mayfly nymphs harbouring infective-stage larvae. In an experimentally infected eel, the fourth-stage larva undergoing the third moult was observed 28 days p.i. at water temperature of 20ºC. The larval stages, including moulting forms, are described and illustrated. The prepatent period of S. inermis is estimated to be about two months.

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The Life Cycle and Development of Spinitectus gracilis (Nematoda: Spirurida)

Cited by 8 publications

References 2 publications

Spinitectus acipenseri n. sp. (Nematoda: Cystidicolidae) from the lake sturgeonAcipenser fulvescens (Rafinesque) in Canada

Spinitectus acipenseri n. sp. (Nematoda: Cystidicolidae) from the lake sturgeonAcipenser fulvescens (Rafinesque) in Canada

Some aspects of the taxonomy and biology of adult spirurine nematodes parasitic in fishes: a review

Development of Spinitectus inermis (Nematoda: Cystidicolidae), a parasite of eel, Anguilla anguilla, in Europe

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