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Some aspects of the biology of the ragworth flea beetle Longitarsus Jacobaeae (Waterhouse) relating to its role as a biological control agent in New Zealand
(Lincoln University, 1991)
An Italian biotype of L. jacobaeae (Waterhouse) was introduced in to New Zealand in 1981 as a biological control agent for ragwort Senecio jacobaea, a problem weed in dairy farms. This thesis investigated various aspects ...