insects like the sand wasp and potter wasp are among the good guys working hard to make our lives better. If you see a large black-and-white striped wasp zooming around the beach sand this summer ...

Some are fruit: harmless, fuzzy orbs dropped by the creosote bush. Others are white wasps — not that kind — of the species Dasymutilla gloriosa, which have painful stingers and luxuriously ...