Hello Gardeners, I’m Amanda McNulty with Clemson Extension and Making It Grow . The solitary, ground nesting bees that emerge as adults in the spring often cause alarm to people who don’t understand their behavior. Although there may be a hundred small holes in one area of well-drained, sparsely vegetated soil, the bees that exit those chambers with the arrival of spring have no social instinct to guard a colony. The presence of lots of nests simply means that the soil conditions there are just