Differential attack on diploid, tetraploid, and hexaploid Solidago altissima L. by five insect gallmakers. Export

@article{citeulike:2599792, abstract = {Genetic variation among plants can influence host choice and larval performance in insect herbivores. Ploidy (cytotype) variation is a particularly dramatic form of plant genetic variation, and where diploid and polyploid cytotypes of a species occur in sympatry, they may provide herbivores with choices that are distinguished by profound and genome-wide genetic differences. We tested for non-random attack by five gallmaking insect herbivores on diploid, tetraploid, and hexaploid cytotypes of the goldenrod Solidago altissima L., working in seven midwestern US populations where the ploidies co-occur on spatial scales relevant to insect host choice. For four of the five herbivores, attack was non-random with respect to ploidy at one or more sites. Ploidy effects on attack were complex: the ploidy subjected to highest attack varied both across herbivores within sites and (for most herbivores) across sites within herbivores. Ploidy effects on attack will alter rates of encounter between insect herbivores-either increasing or decreasing the likelihood of two herbivores sharing a host plant ramet, compared with the case with no effects of ploidy. Plant ploidy variation appears likely to have a major impact on insect community organization, and perhaps on plant-herbivore coevolution, but that impact is likely to be spatially heterogeneous.}, address = {Department of Ecology, Evolution, and Organismal Biology, Iowa State University, Ames, IA, 50011, USA.}, author = {Halverson, K. and Heard, S. B. and Nason, J. D. and Stireman, J. O.}, citeulike-article-id = {2599792}, citeulike-linkout-0 = {http://dx.doi.org/10.1007/s00442-007-0863-3}, citeulike-linkout-1 = {http://view.ncbi.nlm.nih.gov/pubmed/17924147}, citeulike-linkout-2 = {http://www.hubmed.org/display.cgi?uids=17924147}, doi = {10.1007/s00442-007-0863-3}, issn = {0029-8549}, journal = {Oecologia}, keywords = {gall, gene, genotype, insect}, month = {January}, number = {4}, pages = {755--761}, posted-at = {2008-10-03 15:54:00}, priority = {2}, title = {Differential attack on diploid, tetraploid, and hexaploid Solidago altissima L. by five insect gallmakers.}, url = {http://dx.doi.org/10.1007/s00442-007-0863-3}, volume = {154}, year = {2008} }

TY - JOUR ID - citeulike:2599792 L3 - citeulike-article-id:2599792 N2 - Genetic variation among plants can influence host choice and larval performance in insect herbivores. Ploidy (cytotype) variation is a particularly dramatic form of plant genetic variation, and where diploid and polyploid cytotypes of a species occur in sympatry, they may provide herbivores with choices that are distinguished by profound and genome-wide genetic differences. We tested for non-random attack by five gallmaking insect herbivores on diploid, tetraploid, and hexaploid cytotypes of the goldenrod Solidago altissima L., working in seven midwestern US populations where the ploidies co-occur on spatial scales relevant to insect host choice. For four of the five herbivores, attack was non-random with respect to ploidy at one or more sites. Ploidy effects on attack were complex: the ploidy subjected to highest attack varied both across herbivores within sites and (for most herbivores) across sites within herbivores. Ploidy effects on attack will alter rates of encounter between insect herbivores-either increasing or decreasing the likelihood of two herbivores sharing a host plant ramet, compared with the case with no effects of ploidy. Plant ploidy variation appears likely to have a major impact on insect community organization, and perhaps on plant-herbivore coevolution, but that impact is likely to be spatially heterogeneous. IS - 4 JF - Oecologia SN - 0029-8549 AD - Department of Ecology, Evolution, and Organismal Biology, Iowa State University, Ames, IA, 50011, USA. EP - 761 TI - Differential attack on diploid, tetraploid, and hexaploid Solidago altissima L. by five insect gallmakers. VL - 154 SP - 755 KW - gall KW - gene KW - genotype KW - insect AU - Halverson, K AU - Heard, SB AU - Nason, JD AU - Stireman, JO PY - 2008/01// UR - http://dx.doi.org/10.1007/s00442-007-0863-3 ER -