Wasps can be an annoying presence in your yard, building nests, buzzing around your backyard barbecues, and threatening with painful stings. But for those with serious allergies to insect stings, ...

Wasps are, for the most part, harmless. Of the 18,000 or so species in North America, only a few present a risk to humans. The rest help keep insect populations like aphids and spiders in check, plus ...