Insects' Exuberant Helmet Is Actually an Extra Set of Wings, Researchers Show (http://www.sciencedaily.com/releases/2011/05/110506164319.htm)
QuoteScienceDaily (May 8, 2011) — In 250 million years of insect evolution, the appearance of new wings is unprecedented. Transformations and losses of wings, yes, but additions, never. A team from the Institut de Biologie du Développement de Marseille-Luminy (CNRS/Université Aix-Marseille 2) has shattered this belief by providing proof that the exuberant helmet of Membracidae, a group of insects related to cicadas, is in fact a third pair of profoundly modified wings...
I always wanted an extra pair of hands :'(