<I>Ectobius kohlsi</I> (IMAGE) Entomological Society of America Caption This is a 49-million-year-old Eocene Ectobius cockroach (Ectobius kohlsi) from Colorado. Credit Peter Vršanský Usage Restrictions None License Licensed content 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.