quackgrass- and ryegrass-adapted populations of the cereal rust mite, abacarus hystrix (acari: eriophyidae), differ in their potential for wheat, triticum aestivum, colonization.the cereal rust mite, abacarus hystrix, is one of the most notable among mites causing losses in cultivated grasslands. it is one of a few eriophyoid species for which a broad host range has been reported. recent studies, however, have shown that host specialization is very likely in this species. for two populations of a. hystrix (one inhabiting perennial ryegrass, the second inhabiting quackgrass), host-associated differences correlated with strong host fidelity, distinct phenotypes and reprod ...200918590598
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