If you have wondered, like myself, where they have suddenly disappeared to in the last few weeks, you may find the following suggestion from the Bumblebee Conservation Trust Website interesting:
http://bumblebeeconservation.org/news/anthonys-blog/where-have-all-the-bees-gone?utm_medium=email&utm_campaign=E-newsletter+July+2014&utm_content=E-newsletter+July+2014+CID_d426561910ae4681899dc0c527682e7d&utm_source=Email%20marketing%20software&utm_term=Click%20here
Judith