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Hymenopteran investigating an old wall
Observed: 26th July 2012 By: grant burleigh
Added: 30th July 2012
I saw this insect rapidly exploring an old wall beside our Reserve. It did not run over the surface like our Dipogon spider-hunting wasps but mainly investigated the wall and its crevices while in flight, only touching down intermittently. From these images, I can’t say whether it is some form of wasp or a masonry bee.