National Geographic : 1933 Aug
THE SPIDER BECOMES A VICTIM OF HER GUEST The skeleton which lies at the bottom of the burrow is all that is left of the spider after a wasp larva has fed on its tissues (see illustration, page 211). The cocoon above was spun by the grub, which later will break its way out as a perfect spider wasp like its parent. Then, emerging from the bur row, the fledgling wasp flies away to look for a mate and another spider host to repeat the cycle. Photographs ©Lee Passmore A MALE TRAPDOOR SPIDER IN ITS PECULIAR BURROW After years of search, this little fellow, uncovered accidentally, was the only male spider found bythe author and his friend, Mr. F.E.Beck. They believe that the male builds alittle heap of earth over his nest instead of the usual door. On three different occasions this male built aburrow exactly like the one in the photograph (see page 197). The male isconsiderably smaller than the female.