Bombus terrestris (IMAGE) Lund University Caption A queen of the species Bombus terrestris which is one of the bumblebees that usually fly earliest in spring. The season is now about 14 days earlier in simple agricultural landscapes than a century ago due to a warmer climate and a changed habitat. Credit Maria Blasi Romero/Lund University Usage Restrictions None License Original 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.