| Climate change impacts on bumblebees converge across continents JT Kerr, A Pindar, P Galpern, L Packer, SG Potts, SM Roberts, P Rasmont, ... Science 349 (6244), 177-180, 2015 | 495 | 2015 |
| Climate-associated phenological advances in bee pollinators and bee-pollinated plants I Bartomeus, JS Ascher, D Wagner, BN Danforth, S Colla, S Kornbluth, ... Proceedings of the National Academy of Sciences 108 (51), 20645-20649, 2011 | 420 | 2011 |
| Plight of the bumble bee: pathogen spillover from commercial to wild populations SR Colla, MC Otterstatter, RJ Gegear, JD Thomson Biological conservation 129 (4), 461-467, 2006 | 376 | 2006 |
| Evidence for decline in eastern North American bumblebees (Hymenoptera: Apidae), with special focus on Bombus affinis Cresson SR Colla, L Packer Biodiversity and Conservation 17 (6), 1379-1391, 2008 | 318 | 2008 |
| Bumble bees of North America: an identification guide PH Williams, RW Thorp, LL Richardson, SR Colla Princeton University Press, 2014 | 256 | 2014 |
| Bumblebee vulnerability: common correlates of winners and losers across three continents P Williams, S Colla, Z Xie Conservation Biology 23 (4), 931-940, 2009 | 136 | 2009 |
| Assessing declines of North American bumble bees (Bombus spp.) using museum specimens SR Colla, F Gadallah, L Richardson, D Wagner, L Gall Biodiversity and Conservation 21 (14), 3585-3595, 2012 | 126 | 2012 |
| Can green roofs provide habitat for urban bees (Hymenoptera: Apidae)? SR Colla, E Willis, L Packer Cities and the Environment (CATE) 2 (1), 4, 2009 | 126 | 2009 |
| Effects of parasitic mites and protozoa on the flower constancy and foraging rate of bumble bees MC Otterstatter, RJ Gegear, SR Colla, JD Thomson Behavioral Ecology and Sociobiology 58 (4), 383-389, 2005 | 107 | 2005 |
| Do pathogen spillover, pesticide use, or habitat loss explain recent North American bumblebee declines? ND Szabo, SR Colla, DL Wagner, LF Gall, JT Kerr Conservation Letters 5 (3), 232-239, 2012 | 91 | 2012 |
| The bumble bees of Southern Ontario: Notes on natural history and distribution S Colla, S Dumesh Journal of the Entomological Society of Ontario 141, 39-68, 2010 | 54 | 2010 |
| Bumble bees of the eastern United States S Colla, L Richardson, PH Williams US Department of Agriculture Pollinator Partnership, 2011 | 50* | 2011 |
| Documenting persistence of most eastern North American bee species (Hymenoptera: Apoidea: Anthophila) to 1990–2009 SR Colla, JS Ascher, M Arduser, J Cane, M Deyrup, S Droege, J Gibbs, ... Journal of the Kansas Entomological Society 85 (1), 14-22, 2012 | 39 | 2012 |
| Questioning public perception, conservation policy, and recovery actions for honeybees in North America SR Colla, JS MacIvor Conservation Biology 31 (5), 1202-1204, 2017 | 38 | 2017 |
| Evidence for the decline of the western bumble bee (Bombus occidentalis Greene) in British Columbia SR Colla, CM Ratti The Pan-Pacific Entomologist 86 (2), 32-34, 2010 | 26 | 2010 |
| Status, threats and conservation recommendations for wild bumble bees (Bombus spp.) in Ontario, Canada: a review for policymakers and practitioners SR Colla Natural Areas Journal 36 (4), 412-426, 2016 | 24 | 2016 |
| Conservation and management of North American bumble bees DF Schweitzer, NA Capuano, BE Young, SR Colla USDA Forest Service, NatureServe, 2012 | 17 | 2012 |
| Incorporating citizen science, museum specimens, and field work into the assessment of extinction risk of the American Bumble bee (Bombus pensylvanicus De Geer 1773) in Canada VJ MacPhail, LL Richardson, SR Colla Journal of Insect Conservation 23 (3), 597-611, 2019 | 16 | 2019 |
| Conservation genomics of the declining North American bumblebee Bombus terricola reveals inbreeding and selection on immune genes CF Kent, A Dey, H Patel, N Tsvetkov, T Tiwari, VJ MacPhail, Y Gobeil, ... Frontiers in genetics 9, 316, 2018 | 16 | 2018 |
| Discussion of the presence of an eastern bumble bee species (Bombus impatiens Cresson) in western Canada CM Ratti, SR Colla The Pan-Pacific Entomologist 86 (2), 29-31, 2010 | 16 | 2010 |
Leif L. RichardsonStone EnvironmentalVerified email at stone-env.com
