A Bumblebee Visits Corydalis Ambigua after Overwintering (image) Hokkaido University Share Print E-Mail Caption A bumblebee visits Corydalis ambigua after overwintering. Credit Yuimi Hirabayashi (Bihoro Museum) Usage Restrictions This image is copyrighted and can be used for reporting this research work without obtaining a permission if it's credited properly. 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.