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

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 A). Tail 0.015–

0.018 long, rounded. Caudal bursa absent (Fig. 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 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)