That Attack Soybeans in Pennsylvania Table 19. 20 or more grasshoppers per square yard in the field margins prior to their migration into soybeans. Rescue treatments are not effective. Therefore, a seed treatment may be advisable in fields with a history of problems or where organic matter is decaying at the time of planting.
None is established.
Treatment is not usually justified. If it appears seedlings are being seriously damaged and some are dying, treatment may be justified.