| co-existence of different host-adapted forms of the myzus persicae group (hemiptera: aphididae) in southern italy. | multivariate morphometric analysis (method of canonical variates) was used to compare 38 parthenogenetic lineages and three field collections of aphids of the myzus persicae (sulzer) group sampled on peach and tobacco in the caserta region of southern italy. comparisons were also made with the morphology of lineages collected on peach in lehonia, in central eastern greece away from tobacco-growing regions, and on tobacco in naphplion, in southern greece. the lineages were measured after partheno ... | 2003 | 12699534 |