Most species overwinter as adults and have one generation each year. Spray programs for other insects generally help reduce populations. A slow-acting stomach poison that is most effective when caterpillars are small. Compatible with fungicide sprays.
Good coverage is essential.
May cause increased spider mite problems. The XLR PLUS formulation is less hazardous to honey bees than other formulations if applied from late evening to early morning when bees are not foraging. Do not apply within this many days of harvest. Permit required from county agricultural commissioner for purchase or use. The Regents of the University of California.