Battleship III Herbicide is an herbicide only and should not affect insects. In order to be sure that you do not contact them directly, you should apply in the early morning or late evening when bees, butterflies and other insects are less active.
Since Battleship III Herbicide is a post-emergent herbicide, it is only going to kill weeds that are emerged at the time of the application. Broadleaf weeds germinate at different times of the year so follow up or split applications may be required. Per the product label, do not apply more than 2 applications per year with a minimum retreatment interval of 21 days. You can apply 3-4 pints per acre (1.1 fl oz to 1.5 fl oz per 1,000 sq ft) per application.
Battleship III Herbicide can stay in the soil for up to 6 months. We recommend that you wait at least 6 months after application of Battleship III Herbicide to plant anything in the area.