Four putative entomopathogenic fungi of armoured scale insects on <Emphasis Type="Italic">Citrus</Emphasis> in Australia |
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| Authors: | Hang Thi Dao G Andrew C Beattie Amy Y Rossman Lester W Burgess Paul Holford |
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| Institution: | 1.Plant Protection Research Institute,Hanoi,Vietnam;2.Western Sydney University,Penrith,Australia;3.Department of Botany & Plant Pathology,Oregon State University,Corvallis,USA;4.Faculty of Agriculture and Environment,University of Sydney,Sydney,Australia |
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| Abstract: | This study led to the discovery of four putative entomopathogenic fungi of armoured scale insects on citrus trees in coastal New South Wales. Two of these species belong in Podonectria as P. coccicola (Ellis & Everh.) Petch (syn. Tetracrium coccicola (Höhn.) Ellis & Everh.) and P. novae-zelandiae Dingley. Members of this genus are grown in culture for the first time. Formerly placed in the Pleosporales, Tubeufiaceae, or more recently in the Tubeufiales, these species are herein placed in the new family Podonectriaceae fam. nov., Pleosporales. Another species is placed in the Hypocreales, Bionectriaceae as Clonostachys coccicola (J.A. Stev.) H.T. Dao comb. nov. (basionym Tubercularia coccicola J.A. Stev., syn. Nectria tuberculariae Petch). The fourth species is Myriangium citri Henn. (Myriangiales, Myriangiaceae). Each fungal species is characterized and the phylogenetic placement confirmed by molecular analyses of the ITS and 28 s rDNA regions. In addition, their biology is noted, including location of the fungi within tree canopies. |
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