Leafhoppers - Nymphs are being observed in orchards. This is the stage that is most susceptible to insecticide treatment. A half-rate of Thiodan will manage populations. The following chart appeared in an earlier issue of IPM News but is included again here for your convenience. To conserve any T.pyri predator mites that might be in your orchard and thus enhance biological control, Pyramite would be the first choice, then Kelthane if miticides are needed.
Thorough coverage is required for optimum control.
Note that Pyramite is restricted to two applications with an application interval of 30 days between sprays. Where trade names or commercial products are used for identification, no discrimination is intended and no endorsement is implied. Always read the label before using any pesticide. The label is the legal document for the product use. Disregard any information in this newsletter if it is in conflict with the label.