Ref ID : 7195
Liang-Yu Wu; Paratylenchus projectus (Paratylenchinae: Nematoda) and some closely related species. Can.J.Zool. 53:1875-1881, 1975
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Paratylenchus projectus collected from various areas in Canada and 10 populations, each propagated from a single larva, were studied. Spear length varied from 24 to 28 µm, rarely 29 µm. Sides of head region were straight with a truncate front. Tail terminus varied from conically rounded, rounded, digitate, to subacute. Its differences from Paratylenchus neoprojectus are discussed. A study of the topotypes and lectotype of P. nanus indicates that these are different species. The lectotype is judged to the consistent with the original description, while the topotypes are closely related to P. projectus. A key to the Canadian species of Paratylenchus is presented.