Insect pest problems of eucalypt plantations in Australia, 3. Victoria [Eucalyptus]
1993
Neumann, F.G. (Victorian Dept. of Conservation and Natural Resources, Kew (Australia))
The status of eucalypt plantations in Victoria are summarized, and the insect pests that can cause severe damage to foliage during the first 3 years after planting on farmland, before canopy closure and foliage maturation, are identified. Also discussed are various factors presumed to predispose such plantations to severe insect attack, the nature of the damage, the present and future pest management options and the associated research. Predominant among economically important insect pests are the Christmas beetles (Anoplognathus chloropyrus and A. hirsutus), leaf beetles (Chrysophtharta agricola, C. variicollis and Papopsis porosa), the Autumn gummoth (Mnesampela privata), the leafblister sawfly (Phylacteophaga froggatti) and the wingless grasshopper (Phaulacridium vittatum). At present control of outbreaks is by spraying insecticide. Environmentally more acceptable multi-pronged control programs are being developed, comprising a mix of compatible preventative and curative genetic, silvicultural, biological and chemical measures. Such programs will be based on a thorough knowledge of the biology and ecology of the target pests in the particular climatic regions where the plantations are located.
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