Ascarophis extalicola Appy 1981

• Main Authors: Arai, Hisao P., Smith, John W.
• Format: Text
• Language: unknown
• Published: Zenodo 2016
• Subjects: Biodiversity; Taxonomy; Animalia; Nematoda; Secernentea; Spirurida; Spiruridae; Ascarophis; Ascarophis extalicola; Canada; Rugosa; Beneden; Van Beneden; Gadus morhua; North Atlantic
• Online Access: https://dx.doi.org/10.5281/zenodo.5626772; https://zenodo.org/record/5626772

Ascarophis extalicola Appy, 1981 Description (after Appy 1981). With characteristics of the genus. Males: 5.3 (4.0–6.3) long, 0.039 (0.033–0.051) wide at vas deferens . Muscular oesophagus 0.184 (0.159– 0.224) and glandular oesophagus 1.018 (0.732–1.269) long. Deirids, nerve ring and excretory pore 0.113 (0.097– 0.127), 0.134 (0.116–0.148) and 0.212 (0.183–0.244), respectively, from anterior end (Fig. 53 A). Tail 0.098 (0.078–0.117) long. Right spicule 0.070 (0.061–0.083) long, spicule arcuate, notched distally. Left spicule 0.313 (0.276–0.359) long, divided into proximal shaft and blade. Ratio of left to right 1:4.5 (1:3.6 to 1:5.6). Area rugosa with about nine longitudinal rows of cuticular elevations. 10 pairs caudal papillae: four pairs pre-cloacal, six pairs post-cloacal; 5th post-cloacal pair relatively small, ventral to 6th pair. Caudal alae narrow. Phasmids behind last pair of post-cloacal papillae (Fig. 53 B). Females: 7.2 (5.9–8.7) long, 0.050 (0.037–0.072) wide at vulva. Muscular oesophagus 0.187(0.163–0.202) and glandular oesophagus 1.196 (1.015–1.363) long. Deirids, nerve ring, excretory pore and vulva 0.115 (0.101– 0.128), 0.133 (0.116–0.148), 0.215(0.180–0.237) and 5.2 (4.2–6.2), respectively, from anterior end. Tail 0.052 (0.037–0.066) long (Fig. 53 C). Eggs 0.044 (0.041–0.046) x 0.027 (0.026–0.031) with two to 11 filaments at one pole (Fig. 53 D). [For comments on A. extalicola see pages 90–91.] Sites: intestine, rectum Hosts: Gadus morhua (1, 3); Melanogrammus aeglefinus (2); Myoxocephalus octodecemspinosus (1) Distribution: Atlantic Records: 1. Appy 1981; 2. Scott 1981; 3. Appy & Burt 1982 : Published as part of Arai, Hisao P. & Smith, John W., 2016, Guide to the Parasites of Fishes of Canada Part V: Nematoda, pp. 1-274 in Zootaxa 4185 (1) on page 86, DOI: 10.11646/zootaxa.4185.1.1, http://zenodo.org/record/165530 : {"references": ["Appy, R. G. (1981) Species of Ascarophis van Beneden, 1870 (Nematoda: Cystidicolidae) in North Atlantic fishes. Canadian Journal of Zoology, 59, 2193 - 2205. http: // dx. doi. org / 10.1139 / z 81 - 297", "Scott, J. S. (1981) Alimentary tract parasites of haddock (Melanogrammus aeglefinus L.) on the Scotian Shelf. Canadian Journal of Zoology, 59, 2244 - 2252. http: // dx. doi. org / 10.1139 / z 81 - 304", "Appy, R. G. & Burt, M. D. B. (1982) Metazoan parasites of cod, Gadus morhua L., in Canadian Atlantic waters. Canadian Journal of Zoology, 60, 1573 - 1579. http: // dx. doi. org / 10.1139 / z 82 - 207"]}