Series of shots of mason bees Osmia sp. The last shot, one of several of these small flies I found hanging around a mason bee nesting box. After a bit of research found they are a kleptoparasite of mason bees (they lay their eggs in the bee's nest hole and the larvae eat all the food store).
Mason bee Osmia rufa male
IMAGE LINK: http://www.flickr.com/photos/lordv/8822235842/
IMAGE LINK: http://www.flickr.com/photos/lordv/8822235962/
Mason bee Osmia caerulescens
IMAGE LINK: http://www.flickr.com/photos/lordv/8837689616/
IMAGE LINK: http://www.flickr.com/photos/lordv/8837689672/
IMAGE LINK: http://www.flickr.com/photos/lordv/8837689844/
IMAGE LINK: http://www.flickr.com/photos/lordv/8837689914/
Cacoxenus indagator
IMAGE LINK: http://www.flickr.com/photos/lordv/8850545323/












