cuckoo spit


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cuckoo spit

a white frothy mass on the stems and leaves of many plants, produced by froghopper larvae (cuckoo spit insects) which feed on the plant juices
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My wife says cuckoo spit comes from ladybirds, I say from spittle bugs," writes Harry Clark, of Wrexham, North Wale.
And the Parmesan 'air' that looked like cuckoo spit, but which has since become 'de rigueur' for every chef with pretensions.
He pointed to the cuckoo spit that was on a plant within a yard of where I was sitting and asked me what it was.