Five species including Anoplodiscus australis Johnston, Udonella caligorum Johnston, Haliotrema spariensis Roubal, Allomurraytrema robustum, comb, nov. (Murray), and Benedenia anticavaginata, sp. nov. are recorded from four species of Australian bream, Acanthopagrus bufcheri (Munro), A. australis (Gunther), A. berda (Forskil), and A. latus (Houttuyn). Benedenia anticavaginata is described. Murraytrema robustum (Murray), and Allomurraytrema spari (Yamaguti) are synonymized with Allomurraytrema robustum, comb. nov., which is redescribed. Udonella caligorum is recorded from Caligus epidemicus Hewitt, the first such record in Australian waters. The distribution of U. caligorum on C. epidemicus is defined. The zoogeography and host specificity of all parasites is given.
Three species are described: Bomolochus stocki Roubal, 1981 from Acanthopagrus butcheri (Munro),
A. australis (Gunther), A. berda (Forskal) and A, latus (Houttuyn); Pseudoeucanthus spinosus, sp. nov.
from A. latus; Holobomolochus australiensis, sp. nov. from A. australis and A. berda. A proposal is made
to relegate Unicolax chrysophryenus Roubal et al., 1983 to Bomolochus chrysophryenus. The host specificity
and zoogeography of all parasites is discussed.
Four ergasilid species are recorded from Australian bream, i.e. Acanthopagrus butcheri (Munro), A . australis (Giinther), A. berda (Forskill) and A. latus (Houttuyn) from around Australia. New species include Dermoergasilus acanthopagri and Ergasilus spinipes. Previously described species include E. lizae Krmyer and Paraergasilus acanthopagri Roubal. Ergasilus australiensis Roubal is synonymized with E. lizae. The zoogeography and host specificity of parasites are described.
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