Robuta

https://pbase.com/fwg/image/163148756 Small carpenter bee and sweat bee photo - Fletcher Wildlife Garden photos at pbase.com small carpenter beewildlife gardensweatphotofletcher https://eprints.lib.hokudai.ac.jp/repo/huscap/all/19117/ Cold Resistance of the Small Carpenter Bee Ceratina flavipes Restudied | 北海道大学学術成果コレクション : HUSCAP small carpenter beeof thecoldresistanceceratina