Host Impact and Specificity of Tortoise Beetle (Cassida rubiginosa) on Canada Thistle (Cirsium arvense) in Iran

@inproceedings{Asadi2013HostIA,
  title={Host Impact and Specificity of Tortoise Beetle (Cassida rubiginosa) on Canada Thistle (Cirsium arvense) in Iran},
  author={Ghorbanali Asadi and Reza Ghorbani and Javad Pour Karimi and Alireza Bagheri and H. M{\"u}ller-sch{\"a}rer},
  year={2013}
}
This study determined the potential of the tortoise beetle (Coleoptera: Chrysomelidae) to control Canada thistle (Asteraceae) in Iran. Genetic analysis of the tortoise beetle, based on mitochondrial DNA, confirmed the presence of the species in Iran. A field experiment using five insect densities (0 to 20 larvae plant ) showed a positive correlation between the number of larvae transferred and impact. Feeding by 20 larvae reduced total biomass of Canada thistle by 78% and the number of capitula… CONTINUE READING

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