About Centrotus cornuta Linnaeus, 1758
Centrotus cornuta Linnaeus 1758 adult males reach 7–10 millimetres (0.28–0.39 in) in length, while females are slightly larger. The stocky body has a basic dark-brown colouration. Large protruding round eyes range from reddish-brown to red. The hairy pronotum is arched up and pulled back in a long, wave-shaped extension above the wings, with two sharp, ear-shaped lateral protrusions — this feature gives the species the Latin name cornutus, meaning "horned". The legs are very short. Pale brown translucent front wings have clearly visible brown veins. The unusual horn-like pronotum extensions apparently help with camouflage. When this insect rests on a branch with legs retracted, it looks like a part of the branch itself. This species is rather similar to Gargara genistae, the second UK treehopper species; Gargara genistae lacks the horn-like protrusions, has a shorter extension above the wings, and is associated with broom. This species is present in most of Europe, the eastern Palearctic realm, and the Near East, and is one of only two UK treehoppers. These thorn-hoppers inhabit woodlands, beech forests, hedgerows, and moderately moist or dry areas.
