Nature Studies: Fewer wasps to swat is a sign of an ecosystem in serious trouble

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Nature Studies: Fewer wasps to swat is a sign of an ecosystem in serious trouble,
October 5, 2015,
By Michael McCarthy,
The Independent, UK,

With summer gone at last after a blissful final fortnight of sunshine, I wish to advance a proposition with which many people may disagree: having fewer wasps around is not necessarily a good thing.