With IPM, half the battle is knowing what not to kill. After all, sometimes a beneficial could look like a pest. That’s why an accurate ID is so important. Case in point? The grass-carrying wasp. At about ¾ inch, these shiny black wasps with the smoky wings and almost impossibly narrow waists look just a…Continue Reading This Wasp Pollinates Your Posies — and Makes Nests of Grass