![]() ![]() In Study Sample) Collecting Month Bombus ardens 43 Honshu Island, Japan (5) May, June Bombus atratus 54.3 Facatativa, Colombia (5) For example, the colony of Bombus vosnesenskii found in California contained 1848 workers 1. However, a 2015 study providing data from other regions of the world, including USA and Japan, indicated significant differences in bumble bee colony size. ![]() Often significantly fewer Bombus ruderatus Ruderal bumble bee Upto 150 workers Bombus soreensis Broken-belted bumble bee 80 - 150 workers Bombus subterraneus Short-haired bumble bee 75 - 100 workers Bombus sylvarum Shrill Carder bee Fewer than 50 workersĪbove data compiled from Field Guide to Bees Of Great Britain And Ireland - by Steven Falk. Species Common Name Colony Size Bombus lucorum White-tailed bumble bee Over 200 workers Bombus terrestris Buff-tailed bumble bee 500 or more individuals Bombus distinguendus Great Yellow bumble bee Around 12 workers Bombus hortorum Garden bumble bee Fewer than 100 workers Bombus humilis Brown-banded Carder bee 40 - 50 workers Bombus hypnorum Tree bumble bee 150 or more workers Bombus jonellus Heath bumble bee About 50 workers Bombus lapidarius Red-tailed bumble bee Upto 300 workers Bombus monticola Bilberry bumble bee Fewer than 50 workers Bombus muscorum Moss Carder bee 40 - 120 workers Bombus pascuorum Common Carder bee 60 - 150 workers Bombus pratorum Early bumble bee Upto 100 workers Bombus ruderarius Red-shanked Carder bee Upto 100 workers, In contrast, he notes that small colonies with 20 - 100 workers are likely for Bombus pascuorum (Common carder), Bombus sylvarum (Shrill Carder bee), Bombus ruderarius (Red-shanked Carder bee), and Bombus muscorum (Moss Carder bee).įalk provides the following data for approximate nest sizes of British bumble bee species. In his book, Bumblebees Behaviour And Ecology, Professor Dave Goulson comments that in Britain, a large colony size of 100 - 400 workers might be reared by Bombus terrestris (Buff- tailed bumble bee) and Bombus Lapidarius (Red-tailed bumble bee). A Bombus pascuorum colony nest on a grassy, mossy surface ![]()
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