Raffaelea lauricola, a new ambrosia beetle symbiont and pathogen on the Lauracea.Author(s): T.C. Harrington; Stephen Fraedrich; D.N. Aghayeva
Source: Mycotaxon 104:399-404
Publication Series: Scientific Journal (JRNL)
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An undescribed species of Raffaelea earlier was shown to be the cause of a vascular wilt disease known as laurel wilt, a severe disease on redbay (Persea borbonia) and other members of the Lauraceae in the Atlantic coastal plains of the southeastern USA. The pathogen is likely native to Asia and probably was introduced to the USA in the mycangia of the exotic redbay ambrosia beetle, Xyleborus glabratus. Analyses of rDNA sequences indicate that the pathogen is most closely related to other ambrosia beetle symbionts in the monophyletic genus Raffaelea in the Ophiostomatales. The asexual genus Raffaelea includes Ophiostoma-like symbionts of xylem-feeding ambrosia beetles, and the laurel wilt pathogen is named R. lauricola sp. nov.
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CitationHarrington, T.C.; Fraedrich, S. W.; Aghayeva, D.N. 2008. Raffaelea lauricola, a new ambrosia beetle symbiont and pathogen on the Lauracea. Mycotaxon 104:399-404
KeywordsAmbrosiella, Coleoptera, Scolytidae
- Emerging forest pest threat: Redbay ambrosia beetle and laurel wilt
- Disjunct population of redbay ambrosia beetle and laurel wilt disease discovered in Mississippi
- Suitability of California bay laurel and other species as hosts for the non-native redbay ambrosia beetle and granulate ambrosia beetle.
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