Spring 2017 Bee Survey Preliminary Results

In the spring of 2017, with the support of melittologist Lincoln Best, Galiano community members participated in a coordinated effort to document the bees of Galiano Island.

Our surveys took place during the months of April through to July and yielded a total of 628 bee specimens, representing 8 different genera, from 8 different localities. These include mining bees (Andrena spp.), bumblebees (Bombus spp.), long-horned bees (Eucera spp.), mason bees (Osmia spp.), cuckoo bees (Nomada spp.), sweat bees (Halictus & Lasioglossum spp.) and blood bees (Sphecodes spp.). Sampling was conducted with pan traps at roughly 3-day intervals, during periods of (mostly) blue skies and sunshine.

These findings have added to the record of Galiano Island’s known bee diversity, which now numbers at 82 species of bees and sphecoid wasps belonging to the Apoidea. Forty-six of these species are new to the project since the Biodiversity Galiano Island project first began in January 2016. The remainder were documented by S.G. Cannings, J. Heron, L. Parkinson, and G.G.E. Scudder, with records going back to 1973. Our knowledge of the island’s bee fauna has doubled since the Biodiversity Galiano project began in 2016!

The specimens collected in 2017 are still being identified. Yet so far eighteen species have been added new to the list for Galiano Island thanks to this community-based sampling effort. Kudos to Ed Andrusiak, Karen Harris, Michael Hoebel, and Rob and Mary Greenwood for their participation in this survey. Special thanks go out to Lincoln Best, and to Mark Webber, who provided lab space for processing specimens. As a legacy of this project, our community can look forward to a reference collection being prepared by Lincoln Best. Meanwhile, the following list provides a summary of the species identified to date, along with the names of those who helped find them. Check out the gallery on the right for photographs of some of the documented species.

Scientific Name
Common name
Reporting Status
Andrena algidaicy miner beeAndrenidaenew 2017
Andrena angustitarsatanarrow-legged miner beeAndrenidaenew 2017
Andrena chloruraAndrenidaepreviously reported
Andrena frigidafrigid miner beeAndrenidaepreviously reported
Andrena fuscicaudadark-tailed miner beeAndrenidaenew 2017
Andrena hemileucapartly-haired miner beeAndrenidaenew 2017
Andrena nigrihirtablack-haired miner beeAndrenidaenew 2017
Andrena perplexaperplexing miner beeAndrenidaepreviously reported
Andrena salicifloriswillow-flower miner beeAndrenidaenew 2017
Andrena transnigrablack-banded miner beeAndrenidaenew 2017
Andrena vicinoidesVictoria miner beeAndrenidaenew 2017
Bombus flavifronsyellow-fronted bumblebeeApidaepreviously reported
Bombus melanopygusblack-tailed bumblebeeApidaepreviously reported
Bombus sitkensisSitka bumblebeeApidaenew 2017
Bombus vancouverensistwo-form bumblebeeApidaepreviously reported
Ceratina acanthaspined little carpenter beeApidaenew 2017
Eucera cordleyiCordley's long-horned beeApidaenew 2017
Halictus confususorange-legged furrow beeHalictidaenew 2017
Halictus rubicundus furrow beeHalictidaenew 2017
Halictus tripartitustripartite sweat beeHalictidaenew 2017
Lasioglossum mellipessweat beeHalictidaenew 2017
Lasioglossum pacificumPacific sweat beeHalictidaenew 2017
Lasioglossum zonulumblue-headed sweat beeHalictidaenew 2017
Megachile melanophaeablack-and-grey leafcutter beeMegachilidaenew 2017
Osmia lignariablue orchard beeMegachilidaepreviously reported