An insect growth regulator; sterilizes adult females for about 7 days and kills 1-3 day old eggs already in the plant. Apply 2–5 days after rice emergence above water (i.e., 2–3 leaf stage). Can be used safely when propanil products are being used for weed control. Do not apply if flooding is in progress; activity will be reduced. This material is water active so the entire field must be treated. Do not disturb flooded area after application for at least 7 days. Treated water should be held for at least 14 days. Do not use on wild rice or near crayfish aquaculture. See label for other restrictions.