Andrena robertsonii, f, back, Baltimore Co, MD

This small Andrena is around fairly late in the season (May-June) compared to other Andrena and hangs on on woody low shrubs and brambles. Not common an prone to being misidentified as A. brevipalpis. Hannah Sutton did the pictures. Photography Information: Canon Mark II 5D, Zerene Stacker, Stackshot Sled, 65mm Canon MP-E 1-5X macro lens, Twin Macro Flash in Styrofoam Cooler, F5.0, ISO 100, Shutter Speed 200. USGSBIML Photoshopping Technique: Note that we now have added using the burn tool at 50% opacity set to shadows to clean up the halos that bleed into the black background from "hot" color sections of the picture.