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Host specificity and ecology of digenean parasites of nassariid gastropods in Central Queensland, Australia, with comments on host-parasite associations of the Nassariidae
journal contributionposted on 20.02.2019, 00:00 authored by Leonie BarnettLeonie Barnett, TL Miller
Nassariid gastropods are well represented in Australia, and Nassarius dorsatus (Röding), Nassarius olivaceus (Bruguière), and Nassarius pullus (Linnaeus) are common in the intertidal mangroves of the Capricornia region in Central Queensland. A survey of the digenean trematode fauna of nassariids of the region revealed cercariae of 12 species from six trematode families associated with these gastropods. Six species of Acanthocolpidae were found, including three putative species of the genus Stephanostomum. Additionally, two species of Himasthlidae and one species each of Microphallidae, Opecoelidae, Zoogonidae, and Lepocreadiidae were identified. The majority of the trematode species identified were found in only one host species; only four infected more than one species of nassariid. Sixteen new hostparasite combinations were added to the fauna known to infect the Nassariidae. Broader examination of host-parasite associations shows that families using nassariids commonly as first intermediate host are the Acanthocolpidae, Lepocreadiidae, and Zoogonidae, as well as Himasthla spp. from the Himasthlidae. Nassariid gastropods are also the dominant marine first intermediate hosts for the Acanthocolpidae, Lepocreadiidae, and Zoogonidae and one of the three most common first intermediate host families for marine Himasthla spp. © 2018, Yale Journal of Biology and Medicine Inc. All rights reserved.