Charles, J. G., Walker, J. T. S. & White, V. 1994. Resistance of Froggatt’s apple leafhopper Edwardsiana crataegi Douglas, to azinphos-methyl. Proceedings of the Forty Seventh New Zealand Plant Protection Conference , 333-336. Jay, C. N. & Cross, J. V. …
Life cycle Pest status Other hosts Varietal susceptibility Distribution Damage Recognition Monitoring Forecasting Chemical control Natural enemies Biological control Biotechnological control Further …
Control A full approval for spirotetramat (Batavia) on apples for the control of sucking insect pests will control leafhoppers, but growers may prefer to reserve its use for more difficult to control pests such as woolly aphid or rosy apple aphid. It must …
There are few cultural control approaches for this pest. Spatial isolation of orchards from wild alternate hosts may be beneficial, especially for species that have an obligate alternative host (e.g. Edwardsiana rosae). Avoiding using broad-spectrum …
Emphasis should be placed on cultural control methods. Fatty acids is permitted for use in organic production systems, but prior approval must be given by certification bodies before …
Insecticides approved for use on apple which are recommended to control leafhoppers or offer incidental control when applied to control other pests Choice of insecticides – efficacy factors Active ingredient Trade name (examples) Class Selectivity …
Leafhoppers are minor pests of apple with a life cycle that involves overwintering as eggs and hatch in the spring to feed on the undersides of leaves causing speckling damage. Very large populations of adults and nymphs can build up in apple orchards …
Pheromone traps The flight activity of male moths (along with that of the codling moth, summer fruit tortrix moth and fruit tree tortrix) should be monitored using sex pheromone traps (a different trap is used for each species). The delta design is used …
The rate of development of each of the development stages of light brown apple moth is only completed when a known heat sum has accumulated. Heat sums can be calculated each day from the daily maximum and minimum air temperature. PESTMAN can be used to …
There are at least two generations per annum in the UK. Larval development has 5-6 instar stages. Adults can fly between February and Dec, although April to October is more usual. The first generation larvae occur on fruit and leaves in June-July and the …
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