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.

Cuckoo spit: what it is and how it protects the nymph of the common froghopper - Discover Wildlife

What is cuckoo spit? The Wildlife Trust for Lancashire, Manchester and North Merseyside

Spittlebugs: warning as strange foam appears on garden plants

Why Is There White Foam On My Plants? Spittlebugs & What You Need To Know

Spit bugs hi-res stock photography and images - Alamy

Why Is There White Foam On My Plants? Spittlebugs & What You Need To Know

Cuckoo spit: what is it and does it harm my plants? - Gardens Illustrated

Cuckoo Spit and Xylella – The Story So Far

What the hell is this?