Found a cute little critter crawling around on the edge of a mushroom today. Fortunately, I had my camera, and I got a fairly decent macro shot of the little beastie:
While it looks like a red aphid, at 1/16th of an inch it was too big for most aphids, and also too big to be a chigger.
Though lovely to the eye, red velvet mites are disliked by the palate: their color may warn predators to the mites' unpleasant taste. "There are stories about biologists popping them into their mouths," says George Hammond, a University of Michigan graduate student who studies velvet mites. Other than ill-advised scientists, however, he knows of no natural enemies of these arachnids: "I've put them on an anthill and no ant would touch them."