Template:POTD/2008-06-14
A Common Brown Robber fly (Zosteria sp.), one of the 7,100 described species of robber flies, shown here feeding on a hoverfly. Adult robber flies attack other flies, beetles, butterflies and moths, various bees, dragon and damselflies, ichneumon wasps, grasshoppers, and some spiders.Photo credit: Fir0002