Life … Animals Arthropods Insects Hymenopterans Mason, Leafcutter, Carder, and Resin Bees Mason Bees Melanosmia Osmia bella species 2 observations Osmia bella Osmia bella Supported by All 5 native plantssupport it in the US Nectar plants Plants whose flowers it visits Nettle-leaf Giant Hyssop, Western Blue Flag, Common Selfheal, Sticky Geranium 5 Close