Farmers given early warning about hungry crop pest
25 May 2015

The potato leafhopper is small, but can inflict big damage on many plants.
By TIM RADFORD.- It is small, bright green and an unwelcome visitor. But global warming means that this particular agricultural menace arrives earlier than ever − and consumes more than ever.
New research has confirmed that the potato leafhopper now turns up to devour US crops on average 10 days earlier than it did 60 years ago.
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