No, ground bees are solitary and nest individually in small tunnels underground, not in hives.

Those are likely entrances to ground bee nests. They often create multiple holes in well-drained soil.

Yes, moist soil is less attractive to ground bees, who prefer dry, sandy conditions for nesting.

Yes, they are important pollinators, though their presence in high-traffic areas can pose a nuisance.

Ground bees are solitary and gentle, while many ground-nesting wasps are more aggressive and social.