The article was originally published on https://sfist.com/2025/09/09/late-summer-yellow-jacket-menace-hitting-hard-in-marin-and-sonoma-counties/The yellowjacket population is surging in both the East Bay and North Bay this summer, and since the bugs are very aggressive and can sting multiple times, county authorities have their hands full cleaning out an unusually large number of nests. Folks who attend the Outside Lands music festival may recall that in 2024, there was something of a wasp infestation, with the insects swarming food stands and generally giving festivalgoers a serious hassle. We had not seen volumes of wasps of that level in the past. Fast-forward to this summer, when KRON4 reported in August that Contra Costa County was experiencing an invasion of yellowjackets, with compl

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