Cuckoo spit (spittlebugs) / RHS Gardening

Cuckoo spit is produced by the nymphs of sap sucking insects called froghoppers. It is harmless and the insects that produce it are part of the biodiversity a healthy gardens supports.

2+ Hundred Cuckoo Spit Royalty-Free Images, Stock Photos & Pictures

Cuckoo spit/spittlebug foam on plants is harmless. Please leave it alone.

Inside the Spittlebug's Bubble Home - The New York Times

Cuckoo spit: The foamy white goo on your plants - BBC Newsround

Do not touch warning as odd 'spittle' appears on plants in UK gardens this month - Mirror Online

Hemiptera, cicadas, leaf hoppers, frog hoppers, etc.

Inside the Spittlebug's Bubble Home - The New York Times

2+ Hundred Cuckoo Spit Royalty-Free Images, Stock Photos & Pictures

Cuckoo Spit and Xylella – The Story So Far

220+ Spittlebug Stock Photos, Pictures & Royalty-Free Images - iStock

What's inside the cuckoo spit?

Spittlebugs hi-res stock photography and images - Alamy

2+ Hundred Cuckoo Spit Royalty-Free Images, Stock Photos & Pictures