Andrena spiraeana, f, back, Prince George's Co, MD 2016-03-22-10.39 photo almost 3 years 0 Andrena spiraeana, f, side, Prince George's Co, MD 2016-03-22-11.13 photo almost 3 years 0 Andrena spiraeana, f, face, Prince George's Co, MD 2016-03-22-10.53 photo almost 3 years 0 Old wall bee photo over 3 years 0 Old wall bee photo over 3 years 0 Old wall bee photo over 3 years 0 Sempervivum thick sheet greenhouse stone crop photo over 3 years 0 Solitary bee bee hymenoptera photo over 3 years 0 Garden wool bee solitary bee bee photo over 3 years 2 Plant bee wild bee photo over 3 years 0 Solitary bee female construction photo over 3 years 0 Mason and leaf-cutter bee house wild wood photo over 3 years 0 Insect house bamboo housekeeping photo over 3 years 0