Evidence for host-associated clones of grape phylloxera Daktulosphaira vitifoliae (Hemiptera: Phylloxeridae) in Australia

Grape phylloxera, Daktulosphaira vitifoliae Fitch, is an important pest of grapevines (Vitis vinifera L.) (Vitaceae). Using microsatellite DNA markers it was demonstrated strong associations can exist between D. vitifoliae asexual lineages and vine host type within a vineyard. Also, in excised root...

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Bibliographic Details
Published in:Bulletin of entomological research 2003-06, Vol.93 (3), p.193-201
Main Authors: Corrie, A.M., van Heeswijck, R., Hoffmann, A.A.
Format: Article
Language:English
Subjects:
Adaptation
Animal and plant ecology
Animal, plant and microbial ecology
Animals
Australia
Autoecology
Base Sequence
Bioassays
Biological and medical sciences
Biological Assay
Cloning
Consensus Sequence
Cytochrome
DNA, Mitochondrial - analysis
Electron Transport Complex IV - genetics
Fundamental and applied biological sciences. Psychology
Genetic Markers
Genotype
Haplotypes
Hemiptera - classification
Hemiptera - genetics
Host-Parasite Interactions
Insects
Microsatellite Repeats
Mitochondrial DNA
Molecular Sequence Data
Pests
Phylloxeridae
Phylogeny
Phytopathology. Animal pests. Plant and forest protection
Protozoa. Invertebrata
Protozoa. Invertebrates
Records, symptoms, damages, economic importance, population surveys
Sequence Analysis, DNA
Species Specificity
Vitis - classification
Vitis - genetics
Vitis - parasitology
Vitis vinifera
Wineries & vineyards
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Summary:Grape phylloxera, Daktulosphaira vitifoliae Fitch, is an important pest of grapevines (Vitis vinifera L.) (Vitaceae). Using microsatellite DNA markers it was demonstrated strong associations can exist between D. vitifoliae asexual lineages and vine host type within a vineyard. Also, in excised root bioassays, D. vitifoliae collected from three regions where different genotypic classes predominated showed host-specific differences in life table parameters of reproductive rate and intrinsic rate of increase. Lastly, comparisons of mitochondrial DNA (cytochrome oxidase I) sequences revealed that D. vitifoliae in Australia have paraphyletic origins and fall into two clades partially related to vine host usage. These findings indicate introduction of separate lineages of D. vitifoliae which have close host associations and as such, have important implications for management of this pest in Australia.
ISSN:0007-4853
1475-2670
DOI:10.1079/BER2003232