The adult Common froghopper (Philaenus spumarius), s/he that, when a tiny larva, blows bubbles out of its bottom to create the little blob of foam we call ‘Cuckoo spit’ to hide in, is brown, but not just one bland shade of brown. Its brown, which is also good for camouflage, ranges from light to dark: buff, mushroom, beige, ochre, cocoa, russet, sepia, chocolate – so many shades of brown.