White with black spots that don't look random. White THIN antennas about the length of the body. Appears to have legs(can't see how many). Has wings that it can use to fly.
I'm in the thick of Yponomeuta cagnagella here: http://mothphotographersgroup.msstate.edu/species.php?hodges=2423.1 based on caterpillars in spindle tree earlier this summer, but this adult appears more like Y. multipunctella: http://mothphotographersgroup.msstate.edu/species.php?hodges=2420