The European Fire Ant, Myrmica rubra (image) University of Toronto Share Print E-Mail Caption The 4-mm, reddish ant can form large expansive colonies and lives in backyards, parks and forests. Credit J.G. Sanders Usage Restrictions None Share Print E-Mail Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.