Stelis lateralis (Megachilidae) in Colorado Springs - Stelis -
Colorado Springs, on Old Goldcamp Road, Section 16 Trailhead in Foothills, 6650 ft (N38° 49.7', W104° 53.4'), El Paso County, Colorado, USA May 20, 2006 Size: L = 5mm
Found on Prunus virginiana - Chokecherry. This is a cuckoo bee on Hoplitis.