Stacked insect resistant and herbicide tolerant maize produced by conventional cross breeding of parental lines MIR604 (OECD unique identifier: SYN-IR6Ø5-5) and GA21 (OECD unique identifier: MON-ØØØ21-9).  Corn rootworm-resistance is derived from MIR604 which contains the <i>mcry3A</i> gene from <i>Bacillus thuringiensis</i>.  Tolerance to glyphosate herbcicide is derived from GA21.