Pseudocapillaria (Pseudocapillaria) tomentosa (Dujardin, 1843) Moravec, 1987

Arai, Hisao P. & Smith, John W., 2016, Guide to the Parasites of Fishes of Canada Part V: Nematoda, Zootaxa 4185 (1), pp. 1-274 : 32

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https://doi.org/10.11646/zootaxa.4185.1.1

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DOI

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scientific name

Pseudocapillaria (Pseudocapillaria) tomentosa (Dujardin, 1843) Moravec, 1987
status

 

Pseudocapillaria (Pseudocapillaria) tomentosa (Dujardin, 1843) Moravec, 1987

Synonyms: Capillaria catostomi Pearse 1934 ; Hepaticola bakeri Mueller & Van Cleave, 1932 (partim); Capillaria bakeri (Mueller & Van Cleave, 1932) Freitas & Lent, 1935 ; Skrjabinocapillaria bakeri (Mueller & Van Cleave, 1932) Skryabin & Schikhobalova, 1954

Description (after Moravec 2001). With characteristics of the genus.

Males: Body length 3.95–7.18, maximum width 0.054–0.068. Muscular oesophagus 0.183–0.330 long. Nerve

ring 0.084–0.099 from anterior end. Spicule smooth, well sclerotized, 0.240–0.330 long ( Fig. 24 View FIGURE 24 A). Tail 0.015–

0.018 long, rounded. Caudal bursa absent ( Fig. 24 View FIGURE 24 B).

Females: Gravid worms 7.30–12.04 long, maximum width 0.068–0.108. Muscular oesophagus 0.258–0.321

long, nerve ring 0.090–0.096 from anterior end. Vulva usually a short distance, 0.030–0.066, behind oesophago–

intestinal junction ( Fig. 24 View FIGURE 24 C). Eggs in one row near vulva, several rows distally. Mature eggs 0.063–0.078 x 0.030–

0.039. Anus subterminal, tail 0.009–0.015 long.

Site: intestine

Hosts: Catostomus catostomus (1, 3); Catostomus commersonii (1, 4, 6, 7, 8); Catostomus macrocheilus (3); Coregonus clupeaformis (8); Cottus asper (3); Couesius plumbeus (3); Cyprinus carpio (8); Cyprinus carpio x Carassius auratus (8); Lota lota (1, 2, 5); Mylocheilus caurinus (3); Oncorhynchus clarkii (3); Oncorhynchus kisutch (3); Oncorhynchus mykiss (3); Prosopium williamsoni (3); Ptychocheilus oregonensis (3); Richardsonius balteatus (3); Salvelinus fontinalis (2, 3); Salvelinus malma (3)

Distribution: British Columbia, Ontario

Records: 1. Bangham 1941 (ON); 2. Bangham & Venard 1946 (ON); 3. Bangham & Adams 1954 (BC); 4. Bangham 1955 (ON); 5. Dechtiar 1972a (ON); 6. Bell & Beverley-Burton 1980 (ON); 7. Moravec 1980 (ON); 8. Bell & Beverley-Burton 1981 (ON)

Bangham, R. V. (1941) Parasites of fish of Algonquin Park lakes. Transactions of the American Fisheries Society, 70, 161 - 171. http: // dx. doi. org / 10.1577 / 1548 - 8659 (1940) 70 [161: pofoap] 2.0. co; 2

Bangham, R. V. & Venard, C. E. (1946) Parasites of fish of Algonquin Park lakes. II. Distribution studies. University of Toronto Studies in Biology Series, 53, 31 - 46. (Ontario Fisheries Research Laboratory Publication. No. 65.)

Bangham, R. V. & Adams, J. R. (1954) A survey of the parasites of freshwater fishes from the mainland of British Columbia. Journal of the Fisheries Research Board of Canada, 11, 673 - 708. http: // dx. doi. org / 10.1139 / f 54 - 043

Bangham, R. V. (1955) Studies on fish parasites of Lake Huron and Manitoulin Island. American Midland Naturalist, 53, 184 - 194. http: // dx. doi. org / 10.2307 / 2422308

Bell, D. A. & Beverley-Burton, M. (1980) Prevalence and intensity of Capillaria catostomi (Nematoda: Trichuroidea) in white sucker (Catostomus commersoni) in southern Lake Huron, Canada. Environmental Biology of Fishes, 5, 267 - 271. http: // dx. doi. org / 10.1007 / bf 00005362

Bell, D. A. & Beverley-Burton, M. (1981) The taxonomy of Capillaria spp. (Nematoda: Trichuroidea) in North American freshwater fishes. Systematic Parasitology, 2, 157 - 169. http: // dx. doi. org / 10.1007 / bf 00009905

Dechtiar, A. O. (1972 a) Parasites of fish from Lake of the Woods, Ontario. Journal of the Fisheries Research Board of Canada, 29, 275 - 283. http: // dx. doi. org / 10.1139 / f 72 - 046

Moravec, F. (1980) Notes on the morphology of Capillaria catostomi Pearse, 1924. Folia Parasitologica, 27, 381 - 382.

Moravec, F. (2001) Trichinelloid Nematodes Parasitic in Cold-Blooded Vertebrates. Academia, Praha, 429 pp. http: // dx. doi. org / 10.14411 / fp. 2002.007

Gallery Image

FIGURE 24. Pseudocapillaria (Pseudocapillaria) tomentosa (Dujardin, 1843) Moravec, 1987. A. male, posterior end, lateral view; B. male, tail, ventral view; C. female, vulvar region. (Redrawn from Moravec 2001)