First record of Tripylina Brzeski, 1963 (Nematoda: Enoplida: Trischistomatidae) from Australia, with description of T. macroseta (Vinciguerra & LA Fauci, 1978) Tsalolikhin, 1983 and T. sheri Brzeski, 1963

ABSTRACT The genus of Tripylina is reported for the first time from Australia based on two known species. Identifications were made as follows: Tripylina macroseta was characterized by having a female with a triangular dorsal tooth posterior to the subventral teeth, body length 832–1064 μm, a = 19–33, b = 4.4–5.5, c = 11–15, c’ = 2.3–4.2 and V = 57–69%; and Tripylina sheri was characterized by having a female with a triangular dorsal tooth posterior to the subventral teeth, one ventromedian seta in the cervical region, body length 981–1325 μm, a = 21–35, b = 4.5–5.2, c = 14–19, c’ = 2.5–3.6, V = 62–67%, with one pair of caudal setae on the tail in some specimens.