Annals of the Entomological Society of America (2010) 103, 916-924

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S. Komazaki, T. Shigehara and S. Toda (2010)
Diversity of Japanese Aphis gossypii and comparison with other Aphis species based on the mitochondrial cytochrome oxidase I sequence
Annals of the Entomological Society of America 103 (6), 916-924
Abstract: The sequence of the mitochondrial cytochrome oxidase I (COI) gene was analyzed in 168 individuals from seven Aphis (Hemiptera: Aphidini: Aphidina) species: Aphis gossypii Glover, Aphis glycines Matsumura, Aphis spiraecola Patch, Aphis craccivora Koch, Aphis fabae Scopoli, Aphis rumicis (L.), and Aphis nerii Boyer de Fenscolombe. One other Aphidina species, Toxoptera odinae (van der Goot), and two Macrosiphini species, Acyrthosiphon pisum (Harris) and Myzus persicae (Sulzer), were analyzed as out-groups. The coding region of the gene contains 1,563 bp in all of the species, and 272 sites were variable among the Aphis species. DNA sequence identities among individual aphids ranged from 91.4 to 100%, with greater identities among aphids in the same species (96.5-100%) than between different species (91.4-95.3%). Compared with some other species, A. gossypii showed little divergence in either nucleotide sequences or haplotypes, although intraspecific cytochrome oxidase I (COI) sequence divergence was observed in A. gossypii clones isolated from Commelina communis L. and Rubia cordfolia L. In the phylogenetic tree, every species formed a robust clade. The pairs A. gossypii and A. glycines, and A. rumicis and A. fabae showed robust sister relationships. T. odinae was located within the Aphis species clade, and this suggested that the Toxoptera classification should be reconsidered in the light of molecular data.
(The abstract is excluded from the Creative Commons licence and has been copied with permission by the publisher.)
Link to article at publishers website
Database assignments for author(s): Shinkichi Komazaki, T. Shigehara

Research topic(s) for pests/diseases/weeds:
molecular biology - genes

Pest and/or beneficial records:

Beneficial Pest/Disease/Weed Crop/Product Country Quarant.

Aphis gossypii Citrus (genus) Japan
Aphis gossypii Eggplant (Solanum melongena) Japan
Aphis gossypii Pear (Pyrus) Japan
Aphis gossypii Potato (Solanum tuberosum) Japan
Aphis gossypii Strawberry (Fragaria) Japan
Aphis gossypii Tomato (Solanum lycopersicum) Japan
Aphis gossypii Grapevine (Vitis) Japan
Aphis gossypii Cucumber (Cucumis sativus) Japan
Aphis gossypii Melon (Cucumis melo) Japan
Aphis gossypii Persimmon (Diospyros) Japan
Aphis gossypii Chrysanthemum (genus) Japan
Aphis gossypii Hibiscus (crop) Japan
Myzus persicae Potato (Solanum tuberosum) Japan
Myzus persicae Radish (Raphanus sativus) Japan
Myzus persicae Sesame (Sesamum orientale) Japan
Aphis fabae Broad/faba bean (Vicia faba) Japan
Acyrthosiphon pisum Vicia - other species Japan
Aphis craccivora Vicia - other species Japan
Aphis craccivora Beans (Phaseolus) Japan
Aphis nerii Nerium (crop) Japan
Aphis spiraecola Apple (Malus) Japan
Aphis spiraecola Citrus (genus) Japan
Aphis spiraecola Pear (Pyrus) Japan
Aphis spiraecola Spiraea (crop) Japan
Aphis glycines Soybean (Glycine max) Japan
Aphis rumicis Dock plant (Rumex) Japan
Aphis odinae Sumac (Rhus) Japan
Aphis odinae Viburnum (crop) Japan