The Osmia bee's work habits differ from its honey bee Cousins in subtle but perhaps significant ways.
壁蜂的行为习惯与其蜜蜂同类有微妙但也许有重大差别。
2
Above: Salivary lips showing parallel ridges of inner surface of lower lip, last larval instar of Osmia chalybea.
上图：壁蜂老熟幼虫下唇内表面的平行纹
3
The author started the research of Osmia from 1995 and obtained some progress on the trap technology of wild Osmia and application of Osmia pollination to the apple - pear trees.