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Laboulbenia slackensis and L. littoralis sp. nov. (Ascomycota, Laboulbeniales), two sibling species as a result of ecological speciation

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Laboulbenia littoralis is described from the halobiont Cafius xantholoma (Coleoptera, Staphylinidae); it previously was misidentified and not properly documented. Morphologically the new species belongs to a group of carabidicolous taxa similar to Laboulbenia pedicellata and especially Laboulbenia slackensis. It is generally accepted that the specificity of Laboulbeniales is based on their need for substances from the host. In this relatively strict context, shifts between unrelated hosts are difficult to explain. We present morphological and ecological evidence supporting the hypothesis that these fungi are capable of shifting between unrelated hosts as long as they share the same habitat. Adaptation to a particular environment, combined with a reduced dependence from specific nutrients of the host, explains the proposed interfamilial host shift. © 2014 by The Mycological Society of America.
Tijdschrift: Mycologia
ISSN: 0027-5514
Issue: 3
Volume: 106
Pagina's: 407-414
Jaar van publicatie:2014
Trefwoorden:Cafius, Ecological specificity, Host shift, Parasitic fungi, Plurivory, Reproductive isolation, Taxonomy, beetle, fungus, habitat type, host-parasite interaction, morphology, new species, reproductive isolation, speciation (biology), taxonomy, adaptation, animal, article, Ascomycetes, classification, ecological specificity, ecology, fungus spore, growth, development and aging, host range, isolation and purification, microbiology, parasitic fungi, physiology, plurivory, host shift, Adaptation, Biological, Animals, Ascomycota, Beetles, Ecology, Host Specificity, Spores, Fungal
Toegankelijkheid:Closed