An annotated checklist of bumblebees
with an analysis of patterns of description.
have very long tongues, sometimes as long as 14 mm.
This paper makes a convincing case that pathogen spillover could be contributing to declines" of North America's bumblebees
, says Rachael Winfree of Rutgers University in New Brunswick, N.
uk/ for more information on how to buy bee nest boxes and bumblebees
This survey should help us to find out exactly how important different types of habitat -such as gardens, hedgerows, grassland or woodland -are as nesting sites for bumblebees
Here, I note findings from the initial study that illuminate the importance of bumblebees
as agents of selection when compared with other floral visitors and shed light on how selection changes in intensity at successive life-cycle stages.
The research involved the study of 75 bumblebee
colonies at five different sites around Scotland.
This is the first study in which male genitalia of bumblebees
were defined quantitatively.
Unlike honeybees, which live in hives, bumblebees
and solitary bees often need some assistance finding a house.
They will be asked to count the number of bumblebees
they spot in their garden, school playground or park.
According to the scientists, even when the oxygen concentrations fell perilously low, the bumblebees
still managed active flight in conditions equivalent to thin air on top of Mount Everest.