A new species of Dermoergasilus Ho & Do, 1982 is described from freshwater fish hosts in the south west of Western Australia. D. occidentalis n. sp. differs from previously described species in the genus principally by the armature of the legs. The new species was found on the gills of the freshwater cobbler Tandanus bostocki Whitely and western minnow Galaxias occidentalis Ogilby in two different river systems.
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This study was funded by the Australia and Pacific Science Foundation. It formed part of a PhD project undertaken by Marina Hassan at Murdoch University and supported by a scholarship from the Ministry of Higher Education Malaysia and Universiti Malaysia Terengganu. Thanks are due to David Morgan and Stephen Beatty for fish collections and to Belinda Cale for help with the figures.
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Hassan, M., Jones, B. & Lymbery, A.J. A new species of Dermoergasilus Ho & Do, 1982 (Copepoda: Ergasilidae) from freshwater fishes in the south-west of Western Australia. Syst Parasitol 74, 143–148 (2009). https://doi.org/10.1007/s11230-009-9217-3
- Posterior Margin
- Lateral Margin
- Outer Seta
- Endopodal Segment
- Caudal Ramus