"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Wasps aren’t complete villains, though, because they are potential pollinators and can help with insect ...

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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 ...