Triepeolus cressonii, f, back, Washington D.C

Triepeolus cressonii, a couple of additional shots of this new "state" record for Washington DC. The specimen was collected at Kenilworth Aquatic Gardens along the Anacostia River by Chelsey Nordstrom, who also took the picture. 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.