i hunt flies in my spare time. don't even need to put a pellet in the s400, the blast of air will kill them if you stalk close enough! but you've got to aim a bit in front of them when there flying! hyperion, you've put a whole new meaning to using a magazine to kill a spider, lo! bit extreme emptying a couple of mags under your bed for a spider! i saw the can with tow holes in it before i read the post and thought 'bloody hell, is the spider really big enough to put those bite marks in it???'