Preventative insecticide treatments are likewise used to manage Southern corn rootworms. Corn earworms are easily monitored through scouting and thresholds for their treatment are available which reduces insecticide applications for this insect. Thirty-eight percent of growers responding to the survey applied insecticides for corn earworms in 1995. The weather during the 1995 growing season was relatively hot and dry, conditions which are conducive to high populations of spider mites. Insects and mites for which insecticides and miticides were applied by peanut growers in 1995.
Bars indicate the percentage of growers reporting the respective insects and mites.
Insecticide and Miticide Use. Temik use decreased slightly, while Thimet use increased slightly from 1988. Di-Syston use remained the same. The use of Lorsban and Dyfonate as preventative applications for Southern corn rootworm management in peanuts increased from 1988 to 1995 due to growers' perception of the insect's threat to peanut yields and the lack of an ability to detect or predict the occurrence of the pest in a timely manner. Mocap and Thimet use was very limited due to their shorter residual activity compared to Lorsban and Dyfonate.