Scorpio PCO Liquid Ant Bait is a new high performance ready to use dual action ant bait that is suitable even for the most sensitive accounts. Scorpio is a highly palatable liquid with spinosad, an active ingredient that is new to the structural pest control market. Spinosad effectively controls a wide range of ants including carpenter ants by contact or ingestion, destroying the queen and colony within 1 - 2 weeks.