Appearance
The adults reach 7–10 millimetres of length, while females are slightly larger. They can be encountered from early May through early August in moderately moist or in dry habitats.The basic coloration of the stocky body is dark-brown. The pronotum is hairy, arched up and pulled back in a long, wave-shaped extension, with two sharp, ear-shaped protrusions.
Behavior
The bizarre horn-like extensions of the pronotum apparently help the camouflage. As a matter of fact, when this insect is at rest on a branch with the legs retracted, it looks like a part of the branch itself. The legs are very short and the protruding eyes are large and round. The front wings are pale brown and translucent, with evident brown veins.
Reproduction
The larvae mainly live on "Cirsium", "Carduus" and "Urtica" species, while the adult insects prefer "Populus", "Quercus" and "Rubus" species. They overwinter in the larval stage and have a two-year life cycle.
Food
These 'treehoppers' are polyphagous, feeding on plant juices, which they take by their specially built, piercing-sucking mouth parts.References:
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