These areas later appear as circular transparent spots and finally as circular holes. There is one generation each year of the fourlined plant bug and two to five generations yearly of the tarnished plant bug. The nymphs can be managed by spraying with azadirachtin, ultrafine horticultural oil, insecticidal soap or malathion, which are among the compounds registered for control of this pest in Connecticut. Consult the labels for dosage rates and safety precautions. Potato leafhopper, Empoasca fabae .
Affected leaves curl up at the tip, turn brown and die.
Both adults and nymphs are damaging. When needed, sprays of carbaryl, which is among the compounds registered for use against this pest in Connecticut, applied when insects are seen provides control. Imidacloprid, applied as a systemic to be taken up by the roots, will also provide season-long control. Consult the labels for dosage rates and safety precautions. Redbanded leafroller , Argyrotaenia velutinana.