There are a number of species of ground-nesting bees representing several hymenopteran families; many are important plant pollinators. The species observed yesterday waking from its winter slumber in Spring Grove belongs to the family Andrenidae. Members of this family are referred to by several common names including Andrenid bees and solitary bees; however, these small (3/16 - 3/4" long) bees are most often called "ground-nesting bees," as well as "burrowing bees," or "digger bees" owing to their soil excavating nesting habit. .
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