There are great effect collecting times to the wild Osmia.
采集次数对野生壁蜂采集效果的影响也很大。
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。
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
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