Pigeon tremex (Tremex columba) (IMAGE) Pensoft Publishers Caption Pigeon tremex (Tremex columba) from Manitou Lake, Manitoulin Island, Ontario, Canada Credit Henri Goulet Usage Restrictions CC-BY 4.0 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.