A bombardier beetle and an assassin bug. (IMAGE) Kobe University Caption (A) An adult bombardier beetle Pheropsophus occipitalis jessoensis. (B) An adult assassin bug Sirthenea flavipes. Both species are found in the same grassland in Japan. Credit Shinji Sugiura Usage Restrictions Credit must be given to the creator. License CC BY 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.