Irrigation is the best defense against lesser cornstalk borer. Foliage caterpillars - Use a 3' shake cloth to look for corn earworm s starting the last week of July and first week of August, especially on fields treated with Lorsban. Granulate cutworm is also a problem late in August where Lorsban is used. Rank growing peanuts can tolerate 8 foliage feeding worms per row ft. Keep corn earworm off of stressed peanuts especially.
Irrigation reduces damage from foliage worms.
Georgia Green is more susceptible to corn earworm because it has a smaller canopy. Spider mites - Irrigation is the best spider mite defense. Comite and Danitol are labeled for mite control. Lorsban increases mite risk. Peanuts typically mature in 130 to 150 days.