Ref ID : 5972
B.A. Ebsary; Canadian species of Tobrilus (Nematoda: Tobrilidae) with description of three new species. Can.J.Zool. 60:3048-3062, 1982
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Nine species of Tobrilus in Canada, including three new species, are described and illustrated. Tobrilus filipjevi n. sp. differs from T. longus by the greater distance between the pocket teeth and by the longer spicules. Tobrilus parapellucidus n. sp. differs from T. pellucidus by the more posterior vulva, male with 10 supplements, and by the ductus ejaculatorius beginning closer to supplement 1. Tobrilus sablensis n. sp. differs from T. allophysis by having greater body length, larger stoma, and greater distance between the pocket teeth in the female. In the male the papillae are absent between supplements and the spicules are longer. The female of T. hopei is described for the first time and has a concentric vaginal musculature similar to T. longus, but differs by greater body length and more widely spaced pocket teeth. Other species in Canada include T. aberrans, T. pellucidus, T. hopei, T. longicaudatus, T. longus, and T. breviductus. Keys to the Canadian males and females are provided. The species T. longicaudatus is proposed as a new species and named T. gagarini n. sp.