New distributional record of Bombus hypnorum koropokkrus Sakagami & Ishikawa, 1972 (Hymenoptera, Apidae) from Rebun Island, Hokkaido, Japan
アカマルハナバチ(膜翅目,ミツバチ科)の礼文島からの記録

Naoto Sugiura
Japanese Journal of Entomology (New Series)  
doi:10.20848/kontyu.24.3_74 fatcat:qg7xmwsvcnb47drl4lgo4agikq