Appendix C. A figure showing the seasonal and annual distribution of specimens of rare and common bumble bee species present in entomological collections in museums in Belgium, England, and The Netherlands from which the pollen loads were sampled.

2016-08-05T08:26:38Z (GMT) by David Kleijn Ivo Raemakers
A figure showing the seasonal and annual distribution of specimens of rare and common bumble bee species present in entomological collections in museums in Belgium, England, and The Netherlands from which the pollen loads were sampled.